docs,api-ref: design + algolia fixes (#4775)

* fix algolia results on same page

* fix navigation bar for mobile

* fix eslint configurations

* fix github action

* fix search icon on mobile

* fix code block dark mode

.github/workflows/docs-test.yml

@@ -36,6 +36,7 @@ jobs:
         working-directory: www/docs
         env:
           NODE_OPTIONS: "--max-old-space-size=8192"
+          API_URL: "https://docs.medusajs.com"
         run: yarn build
         
   lint:
@@ -99,6 +100,9 @@ jobs:
         with:
           fetch-depth: 0
 
+      - name: Install Monorepo dependencies
+        run: yarn install
+
       - name: Install dependencies
         working-directory: www/docs
         run: yarn install
@@ -120,6 +124,9 @@ jobs:
         with:
           fetch-depth: 0
 
+      - name: Install Monorepo dependencies
+        run: yarn install
+
       - name: Install dependencies
         working-directory: www/api-reference
         run: yarn install