Project 2 to Add photon Pun online / or other network/server system to a ready game

Hello,
We are looking that can help us to add a photon engine to ready exist game include to add more features:

Step 1
- - Online mode: ( 2 Modes)
1 vs 1 Online play
2 vs 2 Online Play-> the winner win in coins to so he can use it for more things.
- Invite a friend to play online by link or other method.
- To store data of the online using Playfab if the player wants to reinstall

Step 2
- Chat system + emojis + in app purchase to buy
- Rewards ads, Banner , interstitial ads(admob)

Step 3
- To add a rooms 500, 1000 , 5000 coins and more coins , with a slider.
- Add NickName to the multiplayer
- Add a Tournament online to get the trophy (coins) so they can buy more things if they win
if not photon - you can find other server similar or other network


All details about the Milestones
https://pastebin.com/6BD84JLJ