Add Safrochain mainnet (safrochain-1) to Ping.pub

[danbaruka]

Summary

• Adds Safrochain mainnet explorer config at chains/mainnet/safrochain.json
• Adds chain logos at logos/safrochain.png and logos/safrochain.svg
• Uses the standard Ping.pub mainnet format (same structure as scorum, juno, rebus) with no custom features field so all explorer menus are enabled by default

Chain details

Field	Value
Chain name	safrochain
Chain ID	safrochain-1
Bech32 prefix	addr_safro
Native denom	usaf (SAF, 6 decimals)
SDK	0.50
Coin type	118
Min tx fee	5000
Theme color	#1D4ED8

Endpoints

Type	Provider	URL
REST	Safrochain Foundation	https://api1.safrochain.network
REST	Safrochain Foundation	https://api2.safrochain.network
RPC	Safrochain Foundation	https://rpc1.safrochain.network
RPC	Safrochain Foundation	https://rpc2.safrochain.network

Notes

• CORS is enabled on the REST endpoints (Access-Control-Allow-Origin: *)
• Bank denom metadata is configured on-chain (usaf / SAF)
• Config intentionally omits registry_name and features to match most mainnet chains and avoid sidebar menu filtering

Test plan