Updated Readme file

README.md

@@ -1,6 +1,6 @@
 # F2U ~ Heart Shaped Chat Widget ~ for StreamElements
 
-Source: https://ko-fi.com/s/76ed4108a5
+Original code from: https://ko-fi.com/s/76ed4108a5
 
 Check them out and support them for this great widget!
 
@@ -8,6 +8,21 @@ Check them out and support them for this great widget!
 
 This repository has some changes made in original code, to make it easier to change colors of the widget to make it fit your stream asthetics!
 
+-----
+
+## Changes that were been made
+
+- Renamed files (for text editor's highlighting support):
+    - css.txt -> css.css
+    - js.txt -> js.js
+    - html.txt -> html.html
+    - data.txt -> data.json
+    - fields.txt -> fields.json
+
+- extracted all color settings to variables
+    - css.css as `:root{...}` variables
+    - js.js as `colorSettings` data object
+
 ---
 ---
 # Colors mapping