Add share cards

ckpool/entrypoint.sh

@@ -61,7 +61,7 @@ TEMPLATE=/etc/ckpool/ckpool.conf.template
 CONF=/etc/ckpool/ckpool.conf
 
 # Simple placeholder substitution (no envsubst dependency).
-# We intentionally don't use eval/printf tricks — sed is safe and predictable.
+# We intentionally don't use eval/printf tricks, sed is safe and predictable.
 sed \
     -e "s|\${BITCOIN_RPC_HOST}|${BITCOIN_RPC_HOST}|g" \
     -e "s|\${BITCOIN_RPC_PORT}|${BITCOIN_RPC_PORT}|g" \