Add schemas

event-schemas/examples/v1/m.room.history_visibility

@@ -0,0 +1,12 @@
+{
+  "age": 242352,
+  "content": {
+    "history_visibility": "shared"
+  },
+  "state_key": "localhost",
+  "origin_server_ts": 1431961217939,
+  "event_id": "$WLGTSEFSEF:localhost",
+  "type": "m.room.history_visibility",
+  "room_id": "!Cuyf34gef24t:localhost",
+  "user_id": "@example:localhost"
+}

event-schemas/schema/v1/m.room.history_visibility

@@ -0,0 +1,31 @@
+
+    "$schema": "http://json-schema.org/draft-04/schema#",
+    "type": "object",
+    "title": "Controls visibility of history.",
+    "description": "This event controls whether a member of a room can see the events that happened in a room from before they joined.",
+    "allOf": [{
+        "$ref": "core#/definitions/state_event"
+    }],
+    "properties": {
+        "content": {
+            "type": "object",
+            "properties": {
+                "history_visibility": {
+                    "type": "string",
+                    "description": "Who can see the room history.",
+                    "enum": ["invited","joined","shared"]
+                }
+            },
+            "required": ["history_visibility"]
+        },
+        "state_key": {
+            "type": "string",
+            "description": "A zero-length string.",
+            "pattern": "^$"
+        },
+        "type": {
+            "type": "string",
+            "enum": ["m.room.history_visibility"]
+        }
+    }
+}