Update README.md

README.md

@@ -21,4 +21,11 @@ To join, you must have more than 80 quantized models in GGUF format. Once you me
 - A space for sharing, exchanging, and discovering models
 - A community of like-minded people working with GGUF format models
 
-We look forward to seeing you join and contribute to the community!
+## Adding Models to Collections
+
+All community members have the right to contribute models from their accounts to the community's collections. A model can be added to a collection if it either:
+
+1. Is the specified model itself (e.g., Llama-3.1-8B), or  
+2. Is based on that model (e.g., Llama-3.1-Tulu-3-8B).  
+
+We look forward to seeing you join and contribute to the community!