ci: add linter and tests for opt

Signed-off-by: Tierney Cyren <hello@bnb.im>

.github/workflows/lint-opt.yml

@@ -0,0 +1,27 @@
+name: "Test Suite: Linter (@nodevu/opt)"
+
+on:
+  push:
+  pull_request:
+    paths:
+        - 'opt/**'
+    branches:
+      - main
+  workflow_dispatch:
+  workflow_call:
+
+jobs:
+  tests:
+    if: github.repository == 'cutenode/nodevu'
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout the repository
+      uses: actions/checkout@v4
+    - name: Setup Node.js
+      uses: actions/setup-node@v4
+      with:
+        node-version: current
+    - name: Run npm install -w opt
+      run: npm install -w opt
+    - name: Run npm run lint -w opt
+      run: npm run lint -w opt

.github/workflows/tests-core copy.yml

@@ -0,0 +1,31 @@
+name: "Test Suite: @nodevu/opt"
+
+on:
+  pull_request:
+    paths:
+      - 'opt/**'
+    branches:
+      - main
+  workflow_dispatch:
+  workflow_call:
+
+jobs:
+  tests:
+    if: github.repository == 'cutenode/nodevu'
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node-version: [current, lts/*, lts/-1]
+    steps:
+    - name: Checkout the repository
+      uses: actions/checkout@v4
+    - name: Setup Node.js ${{ matrix.node-version }}
+      uses: actions/setup-node@v4
+      with:
+        node-version: ${{ matrix.node-version }}
+    - name: Install most recent npm
+      run: npm install -g npm
+    - name: Run npm install -w opt
+      run: npm install -w opt
+    - name: Run npm test -w opt
+      run: npm test -w opt