docs(api): add Bruno collection for Jetstream API

Excludes docs/ from deno fmt and deno lint so the Bruno
files don't break formatting and lint checks in CI.

deno.json

@@ -1,4 +1,10 @@
 {
+  "fmt": {
+    "exclude": ["docs/"]
+  },
+  "lint": {
+    "exclude": ["docs/"]
+  },
   "tasks": {
     "jetstream:prod": "deno run --allow-net --allow-read --allow-write --allow-env --allow-ffi --unstable-ffi jetstream.ts",
     "jetstream": "deno run --watch --allow-net --allow-read --allow-write --allow-env --allow-ffi --unstable-ffi jetstream.ts",