Update docs to reflect latest changes

docs/index.md

@@ -58,6 +58,8 @@ Contributing resources benefits both you and the wider research community. Here
 
 Your contributions make a difference by fostering openness, innovation, and collaboration.
 
+**Ready to contribute your resources?** Visit our [portal docs](https://help.cancercomplexity.synapse.org/cancer-complexity-knowledge-portal-docs/contribute-to-the-cckp) for a step-by-step guide.
+
 
 ### **How to Use This Platform**  
 
@@ -68,8 +70,6 @@ The Data Models Explorer offers easy navigation and search options:
 | **Search for Terms**     | Use the search bar above to look for specific metadata terms.                                            |
 | **Browse Categories**    | Navigate using the left-hand menu to explore terms organized by resource type.                           |
 
-If you're ready to contribute your resources, check out the [tutorial page](home/tutorial.md) for step-by-step guidance.
-
 ### **Found an Error?**  
 
 We continuously work to improve our data models. If you notice any issues or have suggestions, please [let us know].  

nav.yml

@@ -1,6 +1,5 @@
 Home: 
   - index.md
-  - home/tutorial.md
 Data Models:
   - Dataset Data Model: model/dataset.md
   - Dataset Sharing Plan: model/DataDSP.md