feat: add Pancakeswap v3 Substreams module (#178)

* feat: Add Pancakeswap V3 Substreams module

At this point it's just hard copy of Uniswap V3. It will be adapted in the following commits to make reviewing easier.

* refactor: adapt uniswapv3 module logic for pancakeswap v3

The main change is how they handle protocol fees. Protocol fees are set by default depending on the fee of the pool.

* refactor: use new protobuf structs

The "EntityChanges" got deprecated in favor of the hybrid messages. This commit makes PancakeswapV3 module use the new structs.

* fix: set correct factory address

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Co-authored-by: zizou <111426680+flopell@users.noreply.github.com>
Co-authored-by: Louise Poole <louise@datarevenue.com>

substreams/ethereum-pancakeswap-v3/src/abi/mod.rs

@@ -0,0 +1,4 @@
+#![allow(clippy::all, clippy::pedantic, clippy::nursery)]
+
+pub mod factory;
+pub mod pool;