💹 Add a yield protocol earning on pending bet

Add a yield protocol : 
- On $STRK bet on each event, generate some yield for mid-term/long-term event
- Partnership possible with Vesu / ZK-Lend / Nostra / Ekubo ...etc
- yield distributed to user depending on $STRK amount deposed
- Implem in Front 
- Optionnal : add possibility to interact with Vesu directly from our Dapp 