Fix rendering of npm page (#7)

Author: zachkirsch

README.md renamed to README

@@ -2,11 +2,15 @@
   "name": "trpc-openapi-2",
   "version": "1.0.0",
   "description": "Generate an OpenAPI spec from your tRPC server, in one line of code",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/zachkirsch/trpc-openapi-2"
+  },
   "main": "lib/index.js",
   "files": [
     "lib",
     "!lib/**/__test__",
-    "README.md"
+    "README"
   ],
   "scripts": {
     "build": "tsc",