Bring back the json schema entrypoints used by the iOS SDK

This partially reverts commit 8184858.

Author: BenoitZugmeyer

rum-events-format.json

@@ -0,0 +1,15 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema",
+  "$id": "rum-events-format.json",
+  "title": "RumEventFormat",
+  "type": "object",
+  "description": "Schema of events generated by RUM SDKs",
+  "oneOf": [
+    {
+      "$ref": "schemas/rum-events-schema.json"
+    },
+    {
+      "$ref": "schemas/telemetry-events-schema.json"
+    }
+  ]
+}

session-replay-mobile-format.json

@@ -0,0 +1,5 @@
+{
+  "$schema": "http://json-schema.org/draft-07/schema",
+  "$id": "session-replay-mobile-format.json",
+  "$ref": "schemas/session-replay-mobile-schema.json"
+}