Ekubo Integration (#172)

* fix: Implement ethereum-ekubo

* fix: Remove unnecessary store

* fix: Correct balance accounting

* Adjust deltas by fee at PositionUpdated event

* Add partial Ekubo integration

* Generalize Hexable

* Native Ekubo integration

* cargo fmt & clippy

---------

Co-authored-by: kayibal <alan@datarevenue.com>
Co-authored-by: Zizou <111426680+zizou0x@users.noreply.github.com>

substreams/Cargo.toml

@@ -14,6 +14,7 @@ members = [
     "ethereum-template-factory",
     "ethereum-template-singleton",
     "ethereum-uniswap-v4",
+    "ethereum-ekubo",
 ]
 resolver = "2"