Merge pull request #32 from vors/readme

Update Readme, remove yaml

Author: vors

.gitignore

@@ -3,3 +3,7 @@
 *.sublime-project
 dist/
 MANIFEST
+
+# Ignore YAML syntax file:
+# plist is a master file for syntax.
+Support/PowershellSyntax.YAML-tmLanguage

README.md

@@ -2,3 +2,22 @@ PowerShell
 ==========
 
 Support for the MS PowerShell programming language.
+
+# Install
+1. Install [package control](https://sublime.wbond.net/installation) for Sublime Text.
+1. Install package **PowerShell** (`Ctrl + Shift + P` + `install` + `powershell`)
+
+# Development
+1. Open sublime packages folder (`Ctrl + Shift + P` + `browse packages`)
+1. Clone [this repo](https://github.com/SublimeText/PowerShell) to packages folder. 
+Now your local version of package is available in sublime.
+
+## Syntax 
+Plist file [PowershellSyntax.tmLanguage](Support/PowershellSyntax.tmLanguage) is the master file for syntax. 
+But the [recommended way](http://sublime-text-unofficial-documentation.readthedocs.org/en/latest/extensibility/syntaxdefs.html) to develop syntax is YAML.
+
+1. Install `AAAPackageDev` package.
+1. Open **PowershellSyntax.tmLanguage**
+1. Call `Ctrl + Shift + P` + `convert to Yaml and Rearrange`. You will get new file **Support/PowershellSyntax.YAML-tmLanguage**.
+1. Make your changes in YAML file.
+1. Call `Ctrl + Shift + P` + `convert (YAML, JSON, Plist) to`. You will get updated version of plist file.