add more ways of contribution

Author: benjagm

CONTRIBUTING.md

@@ -18,13 +18,23 @@ Here are some areas where you can contribute:
  * ❓ Answer questions
  * 🙏 Join discussions and provide feedback
  * 🛠️ [Add new JSON Schema tooling](https://github.com/json-schema-org/website/blob/main/CONTRIBUTING.md#%EF%B8%8F-add-a-new-implementation)
+ * 🚀 [Adding a new Adopter](https://github.com/json-schema-org/community/blob/main/ADOPTERS.md)
  * ✍️ [Publish a blog post](https://github.com/json-schema-org/website/blob/main/CONTRIBUTING.md#%EF%B8%8F-publish-a-blog-post)
  * 📈 [Publish a case study](https://github.com/json-schema-org/website/blob/main/CONTRIBUTING.md#-publish-a-case-study)
- * 📋 [Improving the Documentation](https://github.com/json-schema-org/website/blob/main/CONTRIBUTING.md#-improving-the-documentation)
+ * 📋 [Improving The Documentation](https://github.com/json-schema-org/website/blob/main/CONTRIBUTING.md#-improving-the-documentation)
  * 🏗 [Website development](https://github.com/json-schema-org/website/blob/main/CONTRIBUTING.md#-improving-the-website)
- * 🎨 [Improving the Design](https://github.com/json-schema-org/website/blob/main/CONTRIBUTING.md#-improving-the-design)
- * 😍 [Collaborating with Community Management tasks](#community-management-tasks)
+ * 🎨 [Improving The Design](https://github.com/json-schema-org/website/blob/main/CONTRIBUTING.md#-improving-the-design)
+ * 😍 [Collaborating with Community Management tasks](https://github.com/json-schema-org/community)
  * 🚀 [Adding a new Adopter](https://github.com/json-schema-org/community/blob/main/ADOPTERS.md)
+ * 🌈 Other JSON Schema projects you can contribute to:
+   * [JSON Schema Conference](https://github.com/json-schema-org/conference/blob/main/CONTRIBUTING.md).
+   * [Tour of JSON Schema](https://github.com/json-schema-org/tour/blob/main/CONTRIBUTING.md).
+   * [JSON Schema Landscape](https://github.com/json-schema-org/landscape/blob/main/CONTRIBUTING.md).
+   * [JSON Schema Ecosystem](https://github.com/json-schema-org/ecosystem/blob/main/CONTRIBUTING.md).
+
+ * 🌐 Other JSON Schema Ecosystem Projects you can contribute to:
+   * [Bowtie](https://github.com/bowtie-json-schema/bowtie) development.
+   * Contribute to any well mantained JSON Schema implementation.
 
 #### Community management tasks