https://functype.org/ weekly 1.0 https://functype.org/option monthly 0.8 https://functype.org/either monthly 0.8 https://functype.org/list monthly 0.8 https://functype.org/task monthly 0.8 https://functype.org/do-notation monthly 0.8 https://functype.org/match monthly 0.8 https://functype.org/mcp-server monthly 0.8