add lint workflow

package.json

@@ -0,0 +1,18 @@
+{
+	"name": "proxmoxaas-dashboard",
+	"version": "1.0.0",
+	"description": "Front-end for ProxmoxAAS",
+	"type": "module",
+	"scripts": {
+		"lint": "html-validate --config dev_config/.htmlvalidate.json web/html/*; stylelint --config dev_config/.stylelintrc.json --formatter verbose --fix web/css/*.css; DEBUG=eslint:cli-engine eslint --config dev_config/eslint.config.mjs --fix web/scripts/"
+	},
+	"devDependencies": {
+		"@eslint/eslintrc": "^3.3.5",
+		"@eslint/js": "^10.0.1",
+		"eslint": "^10.2.1",
+		"globals": "^17.5.0",
+		"html-validate": "^9.4.0",
+		"stylelint": "^15.9.0",
+		"stylelint-config-standard": "^33.0.0"
+	}
+}