Add plugin_languages_colors option (#72)

action.yml

@@ -211,6 +211,17 @@ inputs:
     description: List of skipped repositories
     default: ""
 
+  # List of custom colors for specified languages
+  # Use this option when GitHub's color are too similar for your most used languages
+  #
+  # It is possible to use either hexadecimal colors or named colors
+  # - Use "rainbow" values for a predefined set of colors
+  # - Use `${n}:${color}` to change the color of the n-th most used language (e.g. "0:red" to make your most used language red)
+  # - Use `${language}:${color}` to change the color of named language (e.g. "javascript:red" to make JavaScript language red, language case is ignored)
+  plugin_languages_colors:
+    description: Custom languages colors
+    default: ""
+
   # Follow-up plugin
   # Display the number and the ratio of opened/closed issues and opened/merged pull requests on your repositories
   plugin_followup: