update HTTP API docs

docs/docs/usage/api.md

@@ -125,26 +125,26 @@ Sample response:
         "total": 1000,
         "used": 700,
         "free": 300,
-        "mnt_type": "ext4",
+        "mnt_type": "ext4"
       },
       "/media/frigate/recordings": {
         "total": 1000,
         "used": 700,
         "free": 300,
-        "mnt_type": "ext4",
+        "mnt_type": "ext4"
       },
       "/tmp/cache": {
         "total": 256,
         "used": 100,
         "free": 156,
-        "mnt_type": "tmpfs",
+        "mnt_type": "tmpfs"
       },
       "/dev/shm": {
         "total": 256,
         "used": 100,
         "free": 156,
-        "mnt_type": "tmpfs",
-      },
+        "mnt_type": "tmpfs"
+      }
     }
   }
 }
@@ -210,3 +210,7 @@ Video clip for the given camera and event id.
 ### `/clips/<camera>-<id>.jpg`
 
 JPG snapshot for the given camera and event id.
+
+### `/vod/<year>-<month>/<day>/<hour>/<camera>/master.m3u8`
+
+HTTP Live Streaming Video on Demand URL for the specified hour and camera. Can be viewed in an application like VLC.