Implement multicall

[ed3ath]

CB website currently fetches all blockchain data one by one which is a slow process. Utilize the multicall function to grab the data by batch

[kevinunger]

• implement multicall from marketplace to be used in our vuex store modules
• here: https://github.com/CryptoBlades/marketplace/blob/test/src/utils/multicall.ts
• and used here + defined: https://github.com/CryptoBlades/marketplace/blob/test/src/store/index.ts

[MrBaptista69]

We might have to review it again and redo some parts