chore: upgrade ESLint

#491

Author: Attacktive

.eslintrc.cjs

@@ -0,0 +1,30 @@
+import js from "@eslint/js";
+import ts from "typescript-eslint";
+import svelte from "eslint-plugin-svelte";
+import globals from "globals";
+
+/** @type {import("eslint").Linter.FlatConfig[]} */
+export default [
+	js.configs.recommended,
+	...ts.configs.recommended,
+	...svelte.configs["flat/recommended"],
+	{
+		languageOptions: {
+			globals: {
+				...globals.browser,
+				...globals.node
+			}
+		}
+	},
+	{
+		files: ["**/*.svelte"],
+		languageOptions: {
+			parserOptions: {
+				parser: ts.parser
+			}
+		}
+	},
+	{
+		ignores: ["node_modules", "build/", ".svelte-kit/", "dist/"]
+	}
+];