ci: Ensure that eslint runs on all frontend code (no-changelog) (#4602)

* ensure that eslint runs on all frontend code

* remove tslint from `design-system`

* enable prettier and eslint-prettier for `design-system`

* Delete tslint.json

* use a single editorconfig for the repo

* enable prettier for all code in `design-system`

* more linting fixes on design-system

* ignore coverage for git and prettier

* lintfix on editor-ui

packages/design-system/src/components/N8nActionToggle/ActionToggle.stories.js

@@ -28,7 +28,8 @@ const Template = (args, { argTypes }) => ({
 	components: {
 		N8nActionToggle,
 	},
-	template: '<div style="height:300px;width:300px;display:flex;align-items:center;justify-content:center"><n8n-action-toggle v-bind="$props" @action="onAction" /></div>',
+	template:
+		'<div style="height:300px;width:300px;display:flex;align-items:center;justify-content:center"><n8n-action-toggle v-bind="$props" @action="onAction" /></div>',
 	methods,
 });