Added basic CI.

.github/dependabot.yml

@@ -0,0 +1,26 @@
+version: 2
+updates:
+  - package-ecosystem: github-actions
+    directory: /
+    schedule:
+      interval: weekly
+    groups:
+      actions-minor:
+        update-types:
+          - minor
+          - patch
+
+  - package-ecosystem: npm
+    directory: /
+    schedule:
+      interval: weekly
+    groups:
+      npm-development:
+        dependency-type: development
+        update-types:
+          - minor
+          - patch
+      npm-production:
+        dependency-type: production
+        update-types:
+          - patch

.github/workflows/ci.yml

@@ -0,0 +1,37 @@
+name: Continuous Integration
+
+on:
+  pull_request:
+    branches:
+      - "*"
+  push:
+    branches:
+      - main
+
+permissions:
+  contents: read
+
+jobs:
+  test-javascript:
+    name: JavaScript Tests
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        id: checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        id: setup-node
+        uses: actions/setup-node@v4
+        with:
+          node-version-file: .nvmrc
+          cache: npm
+
+      - name: Install Dependencies
+        id: npm-ci
+        run: npm ci
+
+      - name: Test
+        id: npm-ci-test
+        run: npm run test

.github/workflows/linter.yml

@@ -0,0 +1,41 @@
+name: Lint Codebase
+
+on:
+  pull_request:
+    branches:
+      - "*"
+  push:
+    branches:
+      - main
+
+permissions:
+  contents: read
+  packages: read
+  statuses: write
+
+jobs:
+  lint:
+    name: Lint Codebase
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        id: checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Setup Node.js
+        id: setup-node
+        uses: actions/setup-node@v4
+        with:
+          node-version-file: .nvmrc
+          cache: npm
+
+      - name: Install Dependencies
+        id: install
+        run: npm ci
+
+      - name: Lint
+        id: npm-lint
+        run: npm run lint

.nvmrc

@@ -0,0 +1 @@
+20.13.1