fix: add script for edit-page-config

Changes:

- added the script section from here: https://github.com/asyncapi/extensions-catalog/blob/7270922048f71b035d02d7dea950e642e2160dcc/.github/workflows/update-extensions-in-website.yml#L36C9-L54C1

.github/workflows/update-docs-in-website.yml

@@ -32,6 +32,24 @@ jobs:
         working-directory: ./website
         run: |
           git checkout -b update-community-docs-${{ github.sha }}
+      - name: Update edit-page-config.json
+          uses: actions/github-script@v4
+          with:
+            script: |
+              const { writeFile } = require('fs').promises;
+              const configPath = './website/config/edit-page-config.json';
+              const checkSlug = 'reference/extensions/';
+              const slug = {
+                "value": checkSlug,
+                "href": "https://github.com/asyncapi/community/tree/master/docs"
+              };
+            
+              const configData = require(configPath);
+              const entryExists = configData.some(entry => entry.value === checkSlug);
+              if (!entryExists) {
+                configData.push(slug);
+                await writeFile(configPath, JSON.stringify(configData, null, 2))
+              }
       - name: Copy community folder from Current Repo to Another
         working-directory: ./website
         run: |