refactor!: clear json-schema based version of the Go library (#117)

README.md

@@ -1,3 +1,11 @@
+
+# Under Heavy Development
+
+This library has been unstable. We are working to make it production ready. For more details, see #113.
+
+You can access the previous development version of this library at its [latest 
+commit](https://github.com/googleapis/google-cloudevents-go/tree/eabc4f975145db6a8a482109a9ec11ee8724dfb5/)
+
 # Google CloudEvents - Go
 
 [![GoDoc](https://img.shields.io/badge/go-documentation-blue.svg?style=flat-square)](https://pkg.go.dev/mod/github.com/googleapis/google-cloudevents-go) [![unstable](http://badges.github.io/stability-badges/dist/unstable.svg)](http://github.com/badges/stability-badges)
@@ -22,43 +30,3 @@ To install this package, run:
 go get -u github.com/googleapis/google-cloudevents-go
 ```
 
-## Example Usage
-
-Example event of type `MessagePublishedData` from Cloud Pub/Sub.
-
-```go
-package main
-
-import (
-	"encoding/json"
-	"fmt"
-
-	"github.com/googleapis/google-cloudevents-go/cloud/pubsub/v1"
-)
-
-func main() {
-	data := []byte(`{
-    "message": {
-      "attributes": {
-        "key": "value"
-      },
-      "data": "SGVsbG8sIFdvcmxkIQ==",
-      "messageId": "136969346945"
-    },
-    "subscription": "projects/myproject/subscriptions/mysubscription"
-  }`)
-
-	var e pubsub.MessagePublishedData
-	err := json.Unmarshal(data, &e)
-	if err != nil {
-		panic(err)
-	}
-	fmt.Printf("%+s\n", e.Message.Data) // Hello, World!
-}
-```
-
-More detailed documentation about the usage of every type can be found in this library's reference.
-
-## Reference
-
-The [`reference.md`](reference.md) file has detailed examples for how to use every event data type.