Adding doc links

doc/README.md

@@ -3,32 +3,51 @@
 ## Installation 
 
 #### Preview Installation
-Get up and running quickly with Docker-based install
+See what Mattermost has to offer in a Docker-based preview install
 
+Local Machine: 
+- [One-line Docker Install](install/Docker-Single-Container.md#one-line-docker-install)
+- [Mac OS X install](install/Docker-Single-Container.md#mac-osx)
+- [Ubuntu Install](install/Docker-Single-Container.md#ubuntu)
+- [Arch Install](install/Docker-Single-Container.md#arch)
+
+Service Based: 
 - [AWS Elastic Beanstalk Setup](install/Amazon-Elastic-Beanstalk.md)
-- [Docker Single Container Preview Setup](install/Docker-Single-Container.md)
+
+Optional:
 - [SMTP Email Setup](install/SMTP-Email-Setup.md)
 - [System Console Settings](install/Configuration-Settings.md)
 
 #### Production Installation
-Set up Mattermost in your data center 
+Set up Mattermost in your data center using compiled binaries
 - [Software and Hardware Requirements](install/Requirements.md)
 - [Production Ubuntu Setup](install/Production-Ubuntu.md)
 - [SMTP Email Setup](install/SMTP-Email-Setup.md)
 - [System Console Settings](install/Configuration-Settings.md)
+- [Trouble Shooting Guide](install/Troubleshooting.md)
+
+Optional
+- [Community Guide for Production Debian Setup](install/Production-Debian.md)
 
 #### Configuration and Management 
 - [System Console Settings](install/Configuration-Settings.md)
   - [GitLab SSO Configuration](integrations/Single-Sign-On/Gitlab.md) 
-- [Mattermost Release Numbering Scheme](install/Release-Numbering.md)
+- [Mattermost Release Numbering and Schedule](install/Release-Numbering.md)
+
+#### System Upgrades
+Procedures for upgrading the Mattermost server
+- [Mattermost Release Numbering and Schedule](install/Release-Numbering.md)
+- [Upgrade Guide](install/Upgrade-Guide.md)
 
 ## Developer Documentation 
 
-- [Code Contribution Guidelines](developer/Code-Contribution-Guidelines.md)
+- [Code Contribution Guidelines](../CONTRIBUTING.md)
 - [Developer Machine Setup](developer/Setup.md)
 - [Mattermost Style Guide](developer/Style-Guide.md)
 - [API Overview](developer/API.md)
  - [Incoming Webhooks](integrations/webhooks/Incoming-Webhooks.md) 
+ - [Outgoing Webhooks](integrations/webhooks/Outgoing-Webhooks.md) 
+ - [Web Service API](developer/API-Web-Service.md)
 
 ## Help