- Introduced a new `Supply` type in `schema.graphql`.
- Created `getSupply` function in `src/mappings/bank/supply.ts` to fetch total supply.
- Modified `handleGenesis` to store the initial supply from genesis state.
- Added `_handleSupply` function in `src/mappings/primitives.ts` to periodically index total supply.
- Updated the Genesis interface to include supply data.

- Introduced `supplies` field in `Block` type to reference `Supply` entities.
- Added new fields `denom` and `block` to `Supply` type.
- Replaced `getSupply` with `queryTotalSupply` and implement `getSupplyRecord`.
- Modified `_handleSupply` to create supply records with `getSupplyRecord` and avoid duplicates.

- Removed `_handleSupply` from `primitives.ts` and imported it from `supply.ts`.
- Reorganized `getSupplyRecord` in `supply.ts` to use `getSupplyId` for ID generation.
- Simplified supply concatenation logic in `queryTotalSupply` by using `push` instead of `concat`.
- Centralized total supply handling in `supply.ts` for clearer separation of concerns.

…what we plan to do on future releases.

- Introduced new handler `handleBlockSupply` to link block with recent supply.
- Added `supply` field to `Block` entity in GraphQL schema.
- Ensured supply records in genesis block are handled properly.
- Modified `_handleSupply` and `_handleBlockSupply` to update and retrieve supply data.
- Updated `Genesis` interface to include supply information.

…the amount changes.

- Replaced the old block supply handler with a more robust tracking system.
- Introduced `SupplyDenom` and `BlockSupply` entities for better denomination supply tracking.
- Added logic to handle supply records creation for each block, adjusting for the genesis block.
- Adjusted schema to accommodate new entities and relationships.
- Removed unused functions and refactored supply-related code for clarity and efficiency.