Base: Add CMakeLists file type icon

This adds a file icon for CMakeLists.txt files.

Author: electrikmilk

Base/etc/FileIconProvider.ini

@@ -1,4 +1,5 @@
 [Icons]
+cmake=*CMakeLists.txt
 cplusplus=*.cpp,*.cxx,*.cc,*.c++
 c=*.c
 font=*.font