Add Configuration section to README explaining custom emoji settings and usage

Author: peritus

README.md

@@ -15,6 +15,20 @@ Type any supported symbol sequence (minimum 3 identical symbols) in your note. W
 3. Search for "Interactive Ratings"
 4. Install and enable the plugin
 
+## Configuration
+
+### Custom Emojis
+
+You can configure which emojis are supported for rating interactions by going to Settings → Community Plugins → Interactive Ratings. In the "Emojis to support in ratings" setting, enter any emojis you want to use for ratings.
+
+**Default emojis**: `🎥🏆⭐💎🔥⚡🎯🚀💰🎖️`
+
+**Example usage**:
+- `🎥🎥🎥🎥🎥 (4/5)` Movie rating
+- `🏆🏆🏆 3/5` Achievement level  
+- `🔥🔥🔥🔥 80%` Spice level
+- `🎯🎯🎯🎯🎯🎯 (5/6)` Accuracy rating
+
 ### Rating Text (optional)
 
 Add numerical ratings with these formats: