feat: Add Maverick V2 adapter and substreams (#167)

Co-authored-by: Thales <thales@datarevenue.com>
Co-authored-by: zizou <111426680+flopell@users.noreply.github.com>

substreams/ethereum-maverick-v2/proto/v1/maverick.proto

@@ -0,0 +1,10 @@
+syntax = "proto3";
+
+package maverick.v2;
+
+message Pool {
+  bytes address = 1;
+  bytes tokenA = 2;
+  bytes tokenB = 3;
+  bytes created_tx_hash = 4;
+}