Correct 'McpTool' to 'McpServerTool' in README (#775) #769

Job	Run time
build (ubuntu-latest, Debug)	3m 16s
build (ubuntu-latest, Release)	3m 8s
build (windows-latest, Release)	7m 8s
build (macos-latest, Debug)	3m 7s
build (macos-latest, Release)	3m 3s
build (windows-latest, Debug)	6m 29s
publish-coverage / publish-coverage	41s
	26m 52s

Provide feedback