chore: set up MSW

This will help with mocking requests and responses from external services.

.gitignore

@@ -1,7 +1,4 @@
 node_modules
 dist
 .wrangler
-.dev.vars
-
-# Change them to your taste:
-bun.lockb
+.dev.vars

package.json

@@ -12,8 +12,10 @@
     "@cloudflare/workers-types": "^4.20240403.0",
     "@trivago/prettier-plugin-sort-imports": "^4.3.0",
     "@types/bun": "^1.1.2",
+    "msw": "^2.3.0",
     "prettier": "^3.2.5",
     "prettier-plugin-toml": "^2.0.1",
+    "typescript": "^5.4.5",
     "wrangler": "^3.47.0"
   }
 }

src/mocks/handlers.ts

@@ -0,0 +1 @@
+export const handlers = [];

src/mocks/index.ts

@@ -0,0 +1,5 @@
+import { setupServer } from "msw/node";
+
+import { handlers } from "./handlers";
+
+export const server = setupServer(...handlers);