Add tests scaffold, linting and GitHub workflow

.editorconfig

@@ -0,0 +1,9 @@
+root = true
+
+[*]
+indent_style = space
+indent_size = 2
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true

.github/workflows/lint_and_test.yml

@@ -0,0 +1,30 @@
+name: Reboot.dev Node.js Template
+
+on: [push]
+
+jobs:
+  lint:
+    name: Lint
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Lint sources
+        uses: actions/setup-node@v4
+        with:
+          node-version: '18.x'
+          cache: 'npm'
+      - run: npm ci
+      - run: npm run lint
+
+  test:
+    name: Test
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Run all tests
+        uses: actions/setup-node@v4
+        with:
+          node-version: '18.x'
+          cache: 'npm'
+      - run: npm ci
+      - run: npm run test

backend/src/main.ts

@@ -1,6 +1,6 @@
-import { Application } from "@reboot-dev/reboot";
+import { Application, ExternalContext } from "@reboot-dev/reboot";
 
-const initialize = async (context) => {};
+const initialize = async (context: ExternalContext) => {};
 
 new Application({
   servicers: [],

backend/tests/main.test.ts

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+import { ExternalContext, Reboot } from "@reboot-dev/reboot";
+import { describe, it, before, after } from "node:test";
+import assert from "node:assert";
+
+describe("Main Application", async () => {
+  let context: ExternalContext;
+  let rbt: Reboot;
+
+  before(async () => {
+    rbt = new Reboot();
+    await rbt.start();
+    await rbt.up([]);
+    context = rbt.createExternalContext("test-runner");
+  });
+
+  after(async () => {
+    await rbt.stop();
+  });
+
+  describe("Servicer", () => {
+    it("does not throw", async () => {
+      assert.ok(context);
+    });
+  });
+});

eslint.config.mjs

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+// @ts-check
+
+import eslint from '@eslint/js';
+import tseslint from 'typescript-eslint';
+
+export default tseslint.config(
+  eslint.configs.recommended,
+  ...tseslint.configs.recommended,
+);