Display alliance timer in player panel (#805)

## Description:
Below Traitor: , There will be Alliance Status. And will display timer,
after timer ends will show Alliance Expired. Also this Alliance Status
will only show if player had alliance.

## Please complete the following:

- [x] I have added screenshots for all UI updates
- [x] I confirm I have thoroughly tested these changes and take full
responsibility for any bugs introduced
- [x] I understand that submitting code with bugs that could have been
caught through manual testing blocks releases and new features for all
contributors

## Please put your Discord username so you can be contacted if a bug or
regression is found:
dovg

resources/lang/en.json

@@ -403,6 +403,7 @@
     "gold": "Gold",
     "troops": "Troops",
     "traitor": "Traitor",
+    "alliance_time_remaining": "Time Remaining",
     "embargo": "Stopped trading with you",
     "nuke": "Nukes sent by them to you",
     "start_trade": "Start trading",