[Cold Network] Re-added 1.7 support

Signed-off-by: Shon <[email protected]>

Author: ShonP40

mappings/servers/coldnetwork/metadata.json

@@ -9,6 +9,7 @@
     ],
     "primaryAddress": "play.coldnetwork.net",
     "minecraftVersions": [
+        "1.7.*"
         "1.8.*"
     ],
     "primaryMinecraftVersion": "1.8.9",