Initial commit of README, CONTRIBUTING, LICENSE, and .gitignore

Author: ChristopherA

.gitignore

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+# Compiled source #
+###################
+*.com
+*.class
+*.dll
+*.exe
+*.o
+*.so
+
+# Packages #
+############
+# it's better to unpack these files and commit the raw source
+# git has its own built in compression methods
+*.7z
+*.dmg
+*.gz
+*.iso
+*.jar
+*.rar
+*.tar
+*.zip
+
+# Logs and databases #
+######################
+*.log
+*.sql
+*.sqlite
+
+# OS generated files #
+######################
+.DS_Store
+.DS_Store?
+._*
+.Spotlight-V100
+.Trashes
+ehthumbs.db
+Thumbs.db

CONTRIBUTING.md

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+# How to Contribute
+
+This is a free and open source project and we welcome contributions.
+
+## Getting Started
+
+First, make sure you have a [GitHub account](https://github.com/signup/free).
+
+## Changes
+  * Significant improvements should be documented as GitHub issues first.
+  * Fork the repository
+  * Make changes in your own fork.
+  * When you make a commit, write a succinct summary of your changes in the description, add more details in the extended.
+  * If you are using Github interface, before committing review your changes with the Preview tab. Then commit your changes.
+  * Go to the master repository, and submit a pull request for your changes.
+
+  ## Typos and Other Small Changes
+
+If you find typos, mistakes, inconsistencies or other problems in the Blockchain Guild documents, please let us know by filing an issue at the appropriate issue tracker (we use multiple repositories). No issue is too small.
+
+# Community Guidelines
+
+* Be nice: Be courteous, respectful and polite to fellow community members
+* Make everyone in our community feel welcome, regardless of their background and the extent of their contributions
+* Share only content that you own, do not share private or sensitive information, and don't break laws.
+* Stay on topic
+