Update readme with new install instructions

README

@@ -1,10 +0,0 @@
-Dotfiles!
-
-This is the primary branch.
-It includes changes that should be included in most, if not
-all of the different configurations that may result of different 
-system use. 
-
-For now, there is the master and macos
-The macos branch is mostly athestic changes and plugins chosen
-for my macbook. 

README.md

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+# Dotfiles!
+
+## Installation
+
+1. Optionally create ~/.dotfiles.postinst
+2. `curl -sL https://raw.githubusercontent.com/alopexc0de/dotfiles/master/install.sh | bash`
+3. ????
+4. Profit
+
+## Dotfiles Postinstall
+You may create a standard text file called `.dotfiles.postinst` in your home directory before installing.
+This file contains commands, one per line, that will be executed in order after the install script finishes.
+For example, you may want to add commands such as `git config --global user.name "My Name"` and `git config --global user.email "me@my.email"`
+
+## Customizing Dotfiles
+1. Fork this repo
+2. Update `repourl` inside install.sh to point to your own
+3. Make your changes
+4. Push to origin
+5. Install your new dotfiles everywhere
+
+## Branch Info
+
+This is the primary branch.
+It includes changes that should be included in most, if not
+all of the different configurations that may result of different 
+system use. 
+
+For now, there is the master and macos
+The macos branch is mostly athestic changes and plugins chosen
+for my macbook.