Manage users via cli (#632)

Add users cli commands to docs

Fix checking for changing username or user email

Add user status change command

Make sure only one user exists with a particular email when updating

Add password reset

Add user id to help

Remove user delete (too many possible side effects, postponed until later)

Make sure to fail on any errors

Fail if changing the username would result in duplicate users

Add user update command

Add user create command

Add command stubs for all commands

Render users in a beautiful table

Started adding user list command

Co-authored-by: kolaente <k@knt.li>
Reviewed-on: https://kolaente.dev/vikunja/api/pulls/632

pkg/routes/api/v1/user_password_reset.go

@@ -72,7 +72,7 @@ func UserRequestResetPasswordToken(c echo.Context) error {
 		return echo.NewHTTPError(http.StatusBadRequest, err)
 	}
 
-	err := user.RequestUserPasswordResetToken(&pwTokenReset)
+	err := user.RequestUserPasswordResetTokenByEmail(&pwTokenReset)
 	if err != nil {
 		return handler.HandleHTTPError(err, c)
 	}