Add modal service and modal container

Author: maxfriedmann

eslint.config.js

@@ -11,6 +11,11 @@ export default [
 	...svelte.configs["flat/recommended"],
 	prettier,
 	...svelte.configs["flat/prettier"],
+	{
+		rules: {
+			"@typescript-eslint/no-explicit-any": ["warn"]
+		}
+	},
 	{
 		languageOptions: {
 			globals: {