fix: bitcoin rpcallowip IPv4, babylon BLS pre-create, tac peers+cosmos RPC

- Add -rpcallowip=0.0.0.0/0 family-wide via bitcoind template regen
- Pre-create empty-password BLS key in babylon init.sh (v4.3.0 EOF fix)
- TAC: seeds+persistent_peers, CometBFT :26657 traefik, protocol cosmos

Co-authored-by: Cursor <cursoragent@cursor.com>

reference-rpc-endpoint.json

@@ -3409,7 +3409,7 @@
     ]
   },
   "tac": {
-    "protocol": "eth",
+    "protocol": "cosmos",
     "id": 239,
     "block_time_ms": 1000,
     "lagging_lag": 2,
@@ -3422,7 +3422,7 @@
     ]
   },
   "tac-spb": {
-    "protocol": "eth",
+    "protocol": "cosmos",
     "id": 2391,
     "block_time_ms": 1000,
     "lagging_lag": 2,