feat(governance): implement real blockchain data for governance section

- Update ElectionsInterface to fetch real elections from welati pallet
- Add MyVotes component for user voting history (proposals, elections, delegations)
- Add GovernanceHistory component for completed elections and proposals
- Integrate DelegationManager into GovernanceInterface delegation tab
- Fix linter errors across multiple files (unused imports, type annotations)
- Update eslint.config.js to ignore SDK docs and CJS files

web/eslint.config.js

@@ -6,7 +6,7 @@ import refreshPlugin from "eslint-plugin-react-refresh";
 
 export default tseslint.config(
   {
-    ignores: ["dist/**", "node_modules/**", "eslint.config.js", "postcss.config.js"],
+    ignores: ["dist/**", "node_modules/**", "eslint.config.js", "postcss.config.js", "public/sdk_docs/**", "*.cjs"],
   },
   // Config for Node files
   {