Improve form support

This adds support for strongly-typed
form data using the `zod-form-data`
schema that are now supported alongside
regular Zod schemas.

Pages router router routes now support
validating and strongly typing form data
requests that have the `application/x-www-form-urlencoded`,
whereas app router routes also support strongly typed
`multipart/form-data` requests using the `req.formData()`
method from the NextRequest object.

Because RPC routes share the common `rpcOperation`
method for both pages and app router, strongly typed form
data is for now only supported with the `application/x-www-form-urlencoded`
content type. (+1 squashed commit)
Squashed commits:
[5e4cf8d] Improve form support

This adds support for strongly-typed
form data using the `zod-form-data`
schema that are now supported alongside
regular Zod schemas.

Pages router router routes now support
validating and strongly typing form data
requests that have the `application/x-www-form-urlencoded`,
whereas app router routes also support strongly typed
`multipart/form-data` requests using the `req.formData()`
method from the NextRequest object.

Because RPC routes share the common `rpcOperation`
method for both pages and app router, strongly typed form
data is for now only supported with the `application/x-www-form-urlencoded`
content type.

apps/example/package.json

@@ -11,7 +11,8 @@
     "lint": "tsc && next lint"
   },
   "dependencies": {
-    "next-rest-framework": "workspace:*"
+    "next-rest-framework": "workspace:*",
+    "zod-form-data": "2.0.2"
   },
   "devDependencies": {
     "autoprefixer": "10.0.1",