Add description of profile repo

README.md

@@ -1,4 +1,29 @@
-Git repo of my personal shell profile variables
+## What this is
+This is a Git repo of my personal shell profile and preferred working environment. You are free to use it if you think / work like me.
+
+## What does this do?
+ - works with the package manager to install my preferred tools
+ - use zsh by default
+ - enables oh-my-zsh with gentoo colors and the following plugins / settings
+   - git
+   - per-directory-history
+   - zsh-autosuggestions
+   - zsh-syntax-highlighting
+   - interactive comments
+   - `RM_STAR_WAIT` - wait 10 seconds before agreeing to rm *
+   - effectively unlimited history
+ - use phpenv, rbenv, pyenv, etc if installed
+ - vim as default editor with the following plugins / settings
+   - vim-fugitive
+   - vim-sleuth
+   - Vundle
+   - ignorecase / smartcase search
+   - `_` character counted as iskeyword
+ - all of the above with automation conveniences
+   - installer script, so i can run on any new PC / VM
+   - backs up current configs
+   - allows you to set local configs tracked separately from git
+
 
 ## Installing
 ### Quick Install