[cdn] region based rating; --rate flag

README.md

@@ -150,10 +150,13 @@
   - Install or reinstall redistributables
 - ```--prerelease```
   - Update to prerelease version of clients (currently only available for IW4x) and launcher
+- ```--rate```
+  - Rate and display CDN servers
 - ```--cdn-url```
 - ```--offline```
 - ```--skip-connectivity-check```
 
+
 ##### Example:
 ```shell
 alterware-launcher.exe iw4x --bonus -u --path "C:\Games\IW4x" --pass "-console"