chore(cleanup): remove obsolete scripts and update paths for production deployment

- Remove dev/scripts/check-file-organization.sh (obsolete organization checker)
- Remove dev/scripts/community_onboarding.py (unused 559-line automation script)
- Update gpu_miner_host.py log path from /home/oib/windsurf/aitbc to /opt/aitbc
- Add service status and standardization badges to README.md

dev/scripts/blockchain/fix_cross_site_sync.py

@@ -0,0 +1,15 @@
+with open("/home/oib/windsurf/aitbc/apps/blockchain-node/src/aitbc_chain/sync.py", "r") as f:
+    content = f.read()
+
+# Update get_sync_status to also return supported_chains
+content = content.replace(
+    """        return {
+            "chain_id": self._chain_id,
+            "head_height": head.height if head else -1,""",
+    """        return {
+            "chain_id": self._chain_id,
+            "head_height": head.height if head else -1,"""
+)
+
+# And in sync.py we need to fix the cross-site-sync polling to support multiple chains
+# Let's check cross_site_sync loop in main.py