github actions: add build + lint check workflow for coral_web

.github/actions/js-install/actions.yml

@@ -0,0 +1,21 @@
+name: js-install
+description: Set up Node.js and pnpm, install dependencies
+
+runs:
+  using: composite
+  steps:
+    - uses: pnpm/action-setup@v2.1.0
+      with:
+        version: "9.0.6"
+
+    - name: Install Node.js
+      uses: actions/setup-node@v3
+      with:
+        node-version-file: "js/.nvmrc"
+        cache: "pnpm"
+        cache-dependency-path: "js/pnpm-lock.yaml"
+
+    - name: Install dependencies with pnpm
+      shell: bash
+      working-directory: js
+      run: pnpm install --frozen-lockfile

.github/workflows/interface_tests.yml

@@ -0,0 +1,27 @@
+name: Interface Tests
+
+on:
+  push:
+    branches: [main]
+    paths:
+      - src/interfaces/coral_web/**
+  pull_request: {}
+
+jobs:
+  interface_tests:
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        working-directory: src/interfaces/coral_web
+
+steps:
+  - name: Checkout repo
+    uses: actions/checkout@v3
+    with:
+      fetch-depth: 2
+  - name: Set up Node.js and install dependencies
+    uses: ./.github/actions/js-install
+  - name: Check coral_web is formatted
+    run: pnpm format
+  - name: Check coral_web can build
+    run: pnpm build