Scaffold quc app shell, health check and Cloudflare deploy (#237)

Co-authored-by: Time <time@users.noreply.teahub.xyz>

quc/test/worker.test.js

@@ -0,0 +1,27 @@
+import test from "node:test";
+import assert from "node:assert/strict";
+import worker from "../src/worker.js";
+
+const get = (path, env, method = "GET") => worker.fetch(new Request("http://x" + path, { method }), env);
+
+test("health reports ok and the revision", async () => {
+  const r = await get("/api/health", { REV: "abc" });
+  assert.equal(r.status, 200);
+  assert.deepEqual(await r.json(), { ok: true, rev: "abc" });
+});
+
+test("shell is responsive html that loads the motif", async () => {
+  const r = await get("/");
+  const html = await r.text();
+  assert.match(r.headers.get("content-type"), /text\/html/);
+  assert.match(html, /name="viewport" content="width=device-width/);
+  assert.match(html, /chair\.svg/);
+});
+
+test("motif is an svg, unknown paths 404, writes are refused", async () => {
+  const svg = await get("/chair.svg");
+  assert.equal(svg.headers.get("content-type"), "image/svg+xml");
+  assert.match(await svg.text(), /^<svg/);
+  assert.equal((await get("/nope")).status, 404);
+  assert.equal((await get("/api/health", {}, "POST")).status, 405);
+});