📖 Improve installation documentation

Switched sections for dependencies and installation around and created
better sub-headings.
Added section on installing packaged AUR version, thanks to @firegem for
packaging it!
Fixed some whitespace on line endings.

Closes #6.

README.md

@@ -1,4 +1,4 @@
-# bemoji ❤ - Quickly ⛏ your 🌟
+# bemoji ❤️ - Quickly ⛏️ your 🌟
 
 ![bemoji picker interface on bemenu](assets/bemenu.png)
 
@@ -8,8 +8,20 @@ Will remember your favorite emojis and give you quick access.
 
 ## 📁 Installation
 
+### Dependencies
+
+* One of `bemenu`, `wofi`, `rofi`, `dmenu`, or supplying your own picker.
+* One of `wl-copy`, `xclip`, `xsel` or supplying your own clipboard tool.
+* One of `wtype`, `xdotool` or supplying your own typing tool.
+* `sed`, `grep`, `cut`, `sort`, `uniq`, `tr`, `curl` if using the download functionality.
+
+To see how to substitute the default choices with your own tools,
+see Options below.
+
 ![rofi picker interface](assets/rofi.png)
 
+### Manual
+
 Option 1. Clone the repository and put the executable somewhere in your path:
 
 ```bash
@@ -27,16 +39,13 @@ chmod +x bemoji/bemoji
 ln -s bemoji/bemoji /usr/local/bin/bemoji
 ```
 
-Dependencies:
+### Arch Linux
 
-* One of `bemenu`, `wofi`, `rofi`, `dmenu`, or supplying your own picker.
-* One of `wl-copy`, `xclip`, `xsel` or supplying your own clipboard tool.
-* One of `wtype`, `xdotool` or supplying your own typing tool.
-* `sed`, `grep`, `cut`, `sort`, `uniq`, `tr`, `curl` if using the download functionality.
-
-To see how to substitute the default choices with your own tools, 
-see Options below.
+On Arch Linux, bemoji has been packaged for the [AUR](https://aur.archlinux.org/packages/bemoji-git) so it can be installed manually from here or easily with your preferred AUR helper, e.g.:
 
+```bash
+paru -S bemoji-git
+```
 
 ## 💿 Usage