Refactor how NickelMenu is set up

.github/workflows/build.yml

@@ -24,6 +24,9 @@ jobs:
         with:
           node-version: '22'
 
+      - name: Install jq
+        run: sudo apt-get install -y jq
+
       - name: Clone kobopatch source
         run: |
           cd kobopatch-wasm
@@ -56,7 +59,7 @@ jobs:
         run: |
           if [[ "${{ github.ref }}" == refs/tags/* ]]; then
             echo "run=true" >> "$GITHUB_OUTPUT"
-          elif git diff --name-only HEAD~1 HEAD | grep -qE '^(kobopatch-wasm/|web/|tests/|nickelmenu/|koreader/)'; then
+          elif git diff --name-only HEAD~1 HEAD | grep -qE '^(kobopatch-wasm/|web/|tests/|nickelmenu/|koreader/|readerly/)'; then
             echo "run=true" >> "$GITHUB_OUTPUT"
           else
             echo "run=false" >> "$GITHUB_OUTPUT"
@@ -82,6 +85,10 @@ jobs:
         if: steps.check-e2e.outputs.run == 'true' && env.GITEA_ACTIONS != 'true'
         run: koreader/setup.sh
 
+      - name: Set up Readerly assets
+        if: steps.check-e2e.outputs.run == 'true' && env.GITEA_ACTIONS != 'true'
+        run: readerly/setup.sh
+
       - name: Full integration test (Playwright)
         if: steps.check-e2e.outputs.run == 'true' && env.GITEA_ACTIONS != 'true'
         run: |