feat: lots of refactoring (file splitting

- `lib.rs` split into multiple files with `modules.rs` being the main entrypoint for substreams
- contract changes are tracked similiarly to ambient (generalized to use a store of tracked contracts)
- static attributes were pruned of the dynamic ones

substreams/ethereum-balancer/abi/get_abis.py

@@ -9,12 +9,13 @@ import requests
 # Exports contract ABI in JSON
 
 abis = {
+    # Factories
     "WeightedPoolFactory (v4)": "0x897888115Ada5773E02aA29F775430BFB5F34c51",
     "WeightedPool2TokensFactory": "0xA5bf2ddF098bb0Ef6d120C98217dD6B141c74EE0",  # 80Bal-20WETH
     "ComposableStablePoolFactory (v5)": "0xDB8d758BCb971e482B2C45f7F8a7740283A1bd3A",
     "ERC4626LinearPoolFactory (v4)": "0x813EE7a840CE909E7Fea2117A44a90b8063bd4fd",
     "EulerLinearPoolFactory": "0x5F43FBa61f63Fa6bFF101a0A0458cEA917f6B347",
-    "GearboxLinearPoolFactory (v2)": "0x39A79EB449Fc05C92c39aA6f0e9BfaC03BE8dE5B",
+    # "GearboxLinearPoolFactory (v2)": "0x39A79EB449Fc05C92c39aA6f0e9BfaC03BE8dE5B",
     "ManagedPoolFactory (v2)": "0xBF904F9F340745B4f0c4702c7B6Ab1e808eA6b93",
     "SiloLinearPoolFactory (v2)": "0x4E11AEec21baF1660b1a46472963cB3DA7811C89",
     "YearnLinearPoolFactory (v2)": "0x5F5222Ffa40F2AEd6380D022184D6ea67C776eE0",