Updated Home (markdown)

Home.md

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 Welcome to the hackmd wiki. Please refer to the sidebar (on the right) for details.
+
+Table of Contents
+
+#### About Project
+* [Get Started](Get-started)
+* [Heroku Deployment](Heroku-Deployment)
+* [Release Notes](Release-Notes)
+* [Server Requirement and Browser suppoort](Project-Requirement-and-Environment)
+* [Project Structure](Project-Structure)
+* [Environment Variables](Environment-Variables)
+* [Configuration Files and Settings](Configuration-Files-and-Application-Settings)
+* [Third party integration oauth callback urls](Third-party-integration-oauth-callback-urls)
+* [Roadmap](Roadmap)
+
+#### Migration Tool
+* [Migration to 0.5.0](Migration-to-0.5.0)
+* [Migration to 0.4.0](Migration-to-0.4.0)
+
+#### Technical Document
+* [Operational Transformation](Operational-Transformation)