Added color CLI options (#2678)

* Added color CLI options

* add comment

---------

Author: marekdedic

Diff for: packages/svelte-check/src/options.ts

@@ -65,6 +65,9 @@ export function parseOptions(cb: (opts: SvelteCheckCliOptions) => any) {
             'Filters the diagnostics to display. `error` will output only errors while `warning` will output warnings and errors.',
             'warning'
         )
+        // read by sade and preprocessor like sass
+        .option('--color', 'Force enabling of color output', false)
+        .option('--no-color', 'Force disabling of color output', false)
         .action((opts) => {
             const workspaceUri = getWorkspaceUri(opts);
             const tsconfig = getTsconfig(opts, workspaceUri.fsPath);