Fixed cover for defi and contributing pages

SUMMARY.md

@@ -78,7 +78,7 @@
   * [Data Farming Background](rewards/df-background.md)
   * [Emissions & APYs](rewards/emissions-apys.md)
   * [Rewards Tutorial](rewards/veOcean-Data-Farming-Tutorial.md)
-* [🤝 Contribute](contribute/contributing.md)
+* [🤝 Contribute](contribute/README.md)
   * [Partners & Collaborators](contribute/projects-using-ocean.md)
   * [Contributor Code of Conduct](contribute/code-of-conduct.md)
   * [Legal Requirements](contribute/legal-reqs.md)

contribute/README.md

@@ -1,6 +1,7 @@
 ---
 title: Ways to Contribute
 description: Help to improve and develop Ocean core software.
+cover: ../.gitbook/assets/cover/contribute.png
 coverY: 0
 ---
 

data-science/README.md

@@ -1,5 +1,5 @@
 ---
-description: User guides
+description: Data Science
 cover: ../.gitbook/assets/cover/data_science.png
 coverY: 0
 ---

defi/README.md

@@ -1,8 +1,8 @@
 ---
-description: DeFi
+description: DeFI
 cover: ../.gitbook/assets/cover/rewards.png
 coverY: 0
-------
+---
 
 # 🤑 DeFi
 

developers/README.md

@@ -124,7 +124,7 @@ If ou are looking to get to grips with the inner workings of Ocean, then you'll
 * [Set Up a Marketplace](../tutorials/build-a-marketplace/marketplace.md)
 * [Compute-to-Data](compute-to-data/)
 * [Deploying components](../infrastructure/README.md)
-* [Contributing](../contribute/contributing.md)
+* [Contributing](../contribute/README.md)
 
 ## Supporters