Update documentation to add install instructions for each script

README.md

@@ -50,6 +50,8 @@ This uses [shfmt](https://github.com/mvdan/sh) to perform minification.
 
 You can also specify `--install` and `--prefix=PATH` to have the build script automatically install the scripts for all users on the system. You may need to run the build script as root. 
 
+If you only want to install a single script, you can run the build process and copy the script directly out of the newly-created `bin` folder.
+
 
 
 **Alternate Executable:**

doc/batgrep.md

@@ -50,6 +50,12 @@ The following options are passed directly to ripgrep, and are not handled by thi
 
 
 
+## Installation
+
+This script is a part of the `bat-extras` suite of scripts. You can find install instructions [here](../README.md#installation).
+
+
+
 ## Caveats
 
 **Differences from ripgrep:**

doc/batman.md

@@ -18,6 +18,12 @@ None so far.
 
 
 
+## Installation
+
+This script is a part of the `bat-extras` suite of scripts. You can find install instructions [here](../README.md#installation).
+
+
+
 ## Acknowledgements
 
 Thanks to [@sharkdp](https://github.com/sharkdp) and [@LunarLambda](https://github.com/LunarLambda) for debugging how to make this work properly in [certain environments](https://github.com/sharkdp/bat/issues/652).

doc/prettybat.md

@@ -43,6 +43,12 @@ See `man bat` for more information.
 
 
 
+## Installation
+
+This script is a part of the `bat-extras` suite of scripts. You can find install instructions [here](../README.md#installation).
+
+
+
 ## Issues?
 
 If you find an issue or have a feature suggestion, make a pull request or issue through GitHub!