Error return value of `c.sendDirectMessage` is not checked (errcheck)

`responce` is a misspelling of `response` (misspell)

indent-error-flow: if block ends with a return statement, so drop this else and outdent its block (move short variable declaration to its own line if necessary) (revive)

unused-parameter: parameter 'b' seems to be unused, consider removing or renaming it as _ (revive)

unused-parameter: parameter 'bot' seems to be unused, consider removing or renaming it as _ (revive)

context-as-argument: context.Context should be the first parameter of a function (revive)

context-as-argument: context.Context should be the first parameter of a function (revive)

unnecessary trailing newline (whitespace)

unnecessary trailing newline (whitespace)