[IA] New platforms section with Android placeholder, and more (#6223)

Author: chalin

.htmltest.yml

@@ -74,3 +74,9 @@ IgnoreURLs: # list of regexs of paths or URLs to be ignored
   - ^https://shorturl.at/osHRX$
   # TODO move into content/en/blog/2023/contributing-to-otel/index.md once https://github.com/open-telemetry/opentelemetry.io/issues/3889 is implemented
   - ^https://shorturl.at/vLYZ0$
+
+  # Temporary during IA rework
+  # https://github.com/open-telemetry/opentelemetry.io/issues/6222
+  - (^/docs|..)/(faas|kubernetes)\b
+  - ^../lambda-collector/ # zh/docs/faas/lambda-manual-instrument/index.html
+  - ^../../(helm|operator)\b # es/docs/kubernetes/collector/components/index.html

content/en/docs/platforms/_index.md

@@ -0,0 +1,11 @@
+---
+title: Platforms and environments
+linkTitle: Platforms
+description:
+  Hardware & software platforms and environments supporting OpenTelemetry
+weight: 260
+---
+
+OpenTelemetry is available for a variety of platforms and environments, ensuring
+seamless observability in hybrid systems. This section covers how to enable and
+use OpenTelemetry on supported platforms.

content/en/docs/platforms/android/_index.md

@@ -0,0 +1,6 @@
+---
+title: Android
+# description:
+---
+
+Content coming soon!

content/en/docs/faas/_index.md content/en/docs/platforms/faas/_index.md

@@ -4,7 +4,7 @@ linkTitle: FaaS
 description: >-
   OpenTelemetry supports various methods of monitoring Function-as-a-Service
   provided by different cloud vendors
-weight: 360
+redirects: [{ from: /docs/faas/*, to: ':splat' }] # cSpell:disable-line
 ---
 
 Functions as a Service (FaaS) is an important serverless compute platform for

content/en/docs/faas/lambda-auto-instrument.md content/en/docs/platforms/faas/lambda-auto-instrument.md

@@ -1,13 +1,10 @@
 ---
 title: OpenTelemetry with Kubernetes
 linkTitle: Kubernetes
-weight: 350
-description: Using OpenTelemetry with Kubernetes
+redirects: [{ from: /docs/kubernetes/*, to: ':splat' }]
 ---
 
-## Introduction
-
-[Kubernetes](https://kubernetes.io/) is an open source system for automating
+[Kubernetes](https://kubernetes.io/) is an open source system for automated
 deployment, scaling, and management of containerized applications. It has become
 a widely-adopted, industry tool, leading to an increased need for observability
 tooling. In response, OpenTelemetry has created many different tools to help