Added documentation for compiling this module.

Author: orbitalquark

README.md

@@ -7,6 +7,13 @@ Install this module by copying it into your *~/.textadept/modules/* directory or
 
     require('file_diff')
 
+## Compiling
+
+Releases include binaries, so building this modules should not be necessary. If you want to
+build manually, run `make deps` followed by `make`. This assumes the module is installed
+in Textadept's *modules/* directory. If it is not (e.g. it is in your `_USERHOME`), run
+`make ta=/path/to/textadept`.
+
 ## Usage
 
 A sample workflow is this:

init.lua

@@ -11,6 +11,13 @@ local M = {}
 --
 --     require('file_diff')
 --
+-- ### Compiling
+--
+-- Releases include binaries, so building this modules should not be necessary. If you want to
+-- build manually, run `make deps` followed by `make`. This assumes the module is installed
+-- in Textadept's *modules/* directory. If it is not (e.g. it is in your `_USERHOME`), run
+-- `make ta=/path/to/textadept`.
+--
 -- ### Usage
 --
 -- A sample workflow is this: