Improved README: installation instructions and cleaner layout

README.md

@@ -1,10 +1,43 @@
 # vim-ripgrep
 
+## Usage
+
+Search using ripgrep. The word under cursor will be searched if no argument is passed to `Rg`.
+
     :Rg <string|pattern>
 
-Word under cursor will be searched if no argument is passed to `Rg`
 
-## configuration
+Show root search dir:
+
+    :RgRoot
+
+## Installation
+
+
+Using [Vim-Plug](https://github.com/junegunn/vim-plug):
+
+Add this to your `~/.vimrc` and run `:PlugInstall`
+```vim
+Plug 'jremmen/vim-ripgrep'
+```
+
+
+Using [Vundle](https://github.com/VundleVim/Vundle.vim):
+
+Add this to your `~/.vimrc` and run `:PluginInstall`
+```vim
+Plugin 'jremmen/vim-ripgrep'
+```
+
+
+Using [Pathogen](https://github.com/tpope/vim-pathogen):
+
+Ensure you have `execute pathogen#infect()` in your `~/.vimrc` file and run:
+```bash
+git clone https://github.com/jremmen/vim-ripgrep.git ~/.vim/bundle
+```
+
+## Configuration
 
 
 | Setting              | Default                   | Details
@@ -16,9 +49,3 @@ Word under cursor will be searched if no argument is passed to `Rg`
 | g:rg_derive_root     | false                     | true if you want to find project root from cwd
 | g:rg_root_types      | ['.git']                  | list of files/dir found in project root
 | g:rg_window_location | botright                  | quickfix window location
-
-## misc
-
-Show root search dir
-
-    :RgRoot