Update readme and contributing

Author: osoner

CONTRIBUTING.md

@@ -4,11 +4,11 @@
 Countly is a big project benefiting from plugin support to make contributions easy, and we are happy to receive contributors with different skills: 
 
 * If you know Javascript and HTML5/CSS you can contribute to core layer and user interface of Countly. 
-* If you know MongoDB and Node.js, you can contribute to database layer. 
+* If you know MongoDB and NodeJS, you can contribute to database layer. 
 * If you know Java, you can contribute to [Countly Android SDK](https://github.com/countly/countly-sdk-android). 
 * If you know Objective-C, you can contribute to [Countly iOS SDK](https://github.com/countly/countly-sdk-ios). 
 * If you know any other language, you can start writing your own SDK and help others use Countly as a backend. 
-[Here's a list of SDKs that Countly supports](http://resources.count.ly/v1.0/docs/downloading-sdks).
+[Here's a list of SDKs that Countly supports](https://support.count.ly/hc/en-us/articles/360037236571-Downloading-and-Installing-SDKs).
 
 ## Contribution areas 
 
@@ -27,19 +27,13 @@ Before starting, you may want to check Github's guide on [contributing open sour
 
 ## Translations
 
-All translations take place on [Transifex Countly page](transifex.com/projects/p/countly). Please check if your language 
+All translations take place on [Transifex Countly page](https://explore.transifex.com/osoner/countly/). Please check if your language 
 is not there, or has a small percentage of translation. Create your account and apply to be a translator. 
 
 ## Setting up a Development Environment
 
-Whether you want to start working on developing a new plugin, or some feature/ issue on the Countly Server itself, you will need a development environment to test your code on. 
+Whether you want to start working on developing a new plugin, or some feature/issue on the Countly Server itself, you will need a development environment to test your code on. 
 
-You can install Countly on Ubuntu yourself: https://support.count.ly/hc/en-us/articles/360036862332-Installing-the-Countly-Server
-
-Or use Docker containers: https://support.count.ly/hc/en-us/articles/360037814511-Docker-and-Kubernetes
-
-
-## Add a badge to your site
-
-If you like Countly, [why not use one of our badges]([https://count.ly/brand-assets/](https://countly.com/brand-guidelines)) and give a link back to us, so others know about this wonderful platform? 
+1. [You can install Countly on server/VM running Ubuntu](https://support.count.ly/hc/en-us/articles/360037443652-Upgrading-the-Countly-Server)
 
+2. [You can use Docker containers](https://support.count.ly/hc/en-us/articles/360037814511-Docker-and-Kubernetes)

README.md

@@ -15,9 +15,9 @@
 
 ## 🌟 What is Countly?
 
-Countly is a product analytics platform that helps teams track, analyze and act-on their user actions and behaviour on mobile, web and desktop applications. 
+Countly is a product analytics platform that helps teams track, analyze and act on their user actions and behaviour on mobile, web and desktop applications. 
 
-Countly tracks 1.5B unique identities on more than 16,000 applications via 2,000+ servers worldwide. It securely processes billions of data points every day in the cloud and on-premises, enabling teams of all sizes to build better applications and engaging experiences while maintaining full control over their product analytics data flow.
+Countly is used to track 1.5B unique identities on more than 16,000 applications via 2,000+ servers worldwide. It securely processes billions of data points every day in the cloud and on-premises, enabling teams of all sizes to build better applications and engaging experiences while maintaining full control over their product analytics data flow.
 
 One-minute video introduction to Countly Community Edition (opens Youtube):
 
@@ -27,7 +27,7 @@ One-minute video introduction to Countly Community Edition (opens Youtube):
 
 * **Community Edition** — Essential plugins/features and a free-to-use, open source, non-commercial license. Available as self-hosted. Suitable for individuals and small organizations.
 * **Enterprise Edition:** — Offers a wider range of plugins/features, granular data, an SLA, and direct support. Available as self-hosted or Countly hosted/managed. Suitable for medium and large organizations.
-* **myCountly** — Our SaaS platform that is live for alpha testing. Offers some Enterprise features as core features, and some others as add-ons. Everyone gets their dedicated and fully-managed Countly server(s) in the location they choose. Suitable for individuals, small and medium organizations.  
+* **myCountly** — Our SaaS platform that is live for alpha testing. Offers some Enterprise features as core features, and some others as add-ons. Everyone gets their dedicated and fully-managed Countly server(s) in the region they choose. Suitable for individuals, small and medium organizations.  
 
 For a detailed comparison of Community and Enterprise Editions [please check here](https://countly.com/pricing). To join the myCountly wait list [please visit this page](https://countly.com/mycountly).
 
@@ -37,7 +37,6 @@ Also, please note that SDKs of Countly are the same for all editions.
 
 This repository includes server-side part of Countly, with the following features: 
 
-* Support for mobile, web, and desktop app types
 * Session, view and event collection and reporting
 * Crash/error reporting for iOS, Android, React Native, Flutter, NodeJS, Unity, Java and Javascript
 * Rich and interactive push notifications for iOS and Android
@@ -59,12 +58,12 @@ This repository includes server-side part of Countly, with the following feature
 Countly can collect and visualize data from mobile, web and desktop applications. Using the write-API you can send data into Countly from any source. For more information please check the below resources: 
 
 * [List of Countly SDKs, documentation and download information](https://support.count.ly/hc/en-us/articles/360037236571-Downloading-and-Installing-SDKs)
-* [SDK development guide to build your own SDK](https://support.count.ly/hc/en-us/articles/360037236571-Downloading-and-Installing-SDKs)
+* [SDK development guide to build your own SDK](https://support.count.ly/hc/en-us/articles/360037753291-SDK-development-guide)
 * [Countly Server Write API to send data into Countly from any source](https://api.count.ly/reference/i)
 
 ## 🛠️ Installing and upgrading Countly server
 
-Countly installation script assumes it is running on a fresh, decent Ubuntu/CentOS/RHEL Linux without any services listening on port 80 or 443 (which should also be open to incoming traffic), and takes care of every library and software required to be installed for Countly to run.
+Countly installation script assumes it is running on a fresh Ubuntu/CentOS/RHEL Linux without any services listening on port 80 or 443 (which should also be open to incoming traffic), and takes care of every library and software required to be installed for Countly to run.
 
 There are several ways to install Countly: