fix: set startBlock to current chain height

RPC nodes run in pruned mode (~256 blocks state history).
Setting startBlock to recent blocks ensures all required
state is available. Old blocks have no significant user
transactions to index.

pezkuwi-assethub.yaml

@@ -19,7 +19,7 @@ network:
 dataSources:
   - name: main
     kind: substrate/Runtime
-    startBlock: 1
+    startBlock: 56400
     mapping:
       file: ./dist/index.js
       handlers:

pezkuwi-governance.yaml

@@ -22,7 +22,7 @@ network:
 dataSources:
   - name: governance
     kind: substrate/Runtime
-    startBlock: 1
+    startBlock: 57100
     mapping:
       file: ./dist/index.js
       handlers:

pezkuwi.yaml

@@ -22,7 +22,7 @@ network:
 dataSources:
   - name: main
     kind: substrate/Runtime
-    startBlock: 1
+    startBlock: 57100
     mapping:
       file: ./dist/index.js
       handlers: