Updated Readme to add reference to Clicksend-SMS#2545

creyes-clicksend wants to merge 3 commits intomodelcontextprotocol:mainmodelcontextprotocol/servers:mainfrom

creyes-clicksend:clicksend-mcp-servercreyes-clicksend/clicksend-mcp-server:clicksend-mcp-serverCopy head branch name to clipboard