feat: clean up apps and add publish (#13)

Reviewed-on: #13
Co-authored-by: Mitch Hijlkema <mitch@hijlkema.codes>
Co-committed-by: Mitch Hijlkema <mitch@hijlkema.codes>

libs/_internal/styles/src/lib/variable.func.ts

@@ -1,5 +1,5 @@
 import { unsafeCSS } from 'lit';
 
-export function variable(variableName: string, defaultValue?: string) {
+export function variable(variableName: `--${string}`, defaultValue?: string) {
   return unsafeCSS(`var(${variableName}${defaultValue ? `, ${defaultValue}` : ''})`);
 }