Add support to multiple networks

[evandrosaturnino]

Added multi-network support, including updated environment variables, network-specific explorer links, refactored contract and connector handling, and enhanced local storage and minting flow for multi-network compatibility. Updated TBTC SDK, fixed ledger and subgraph issues, and centralized network logic.

[X] - Update env variables
[X] - Update tbtc sdk version in package json
[X] - Update explorer links based on network
[X] - Fix ledger support
[X] - Add networks centralized folder
[X] - Update contract initialization handling
[X] - Refactor connector logic to handle multi network
[X] - Add switch support to multiple networks
[X] - Fix subgraph issue by migrating to studio services
[X] - Fix cooldown period for different apps
[X] - Update threshold class to accommodate multiple networks
[X] - Update local storage logic handling
[X] - Update minting flow to accommodate multiple networks