chore: remove configuration files and enhance blockchain explorer with advanced search, analytics, and export features

- Delete .aitbc.yaml.example CLI configuration template
- Delete .lycheeignore link checker exclusion rules
- Delete .nvmrc Node.js version specification
- Add advanced search panel with filters for address, amount range, transaction type, time range, and validator
- Add analytics dashboard with transaction volume, active addresses, and block time metrics
- Add Chart.js integration

dev/scripts/patch_cli_node_client_indent.py

@@ -0,0 +1,9 @@
+with open("/home/oib/windsurf/aitbc/cli/aitbc_cli/core/node_client.py", "r") as f:
+    lines = f.readlines()
+
+for i, line in enumerate(lines):
+    if line.startswith("async def get_hosted_chains"):
+        lines[i] = "    " + line
+
+with open("/home/oib/windsurf/aitbc/cli/aitbc_cli/core/node_client.py", "w") as f:
+    f.writelines(lines)