feat: implement linter with config file

eslint.config.js

@@ -0,0 +1,40 @@
+const js = require("@eslint/js");
+const globals = require("globals");
+
+module.exports = [
+    js.configs.recommended,
+
+    {ignores: ["node_modules/**", "srpm-out/**", "dist/**", "test/**"]},
+
+    {
+        languageOptions: {
+            ecmaVersion: "latest",
+            sourceType: "commonjs",
+        },
+        rules: {
+            "no-unused-vars": ["error", {argsIgnorePattern: "^_"}],
+            "no-console": "off",
+            "semi": ["error", "always"]
+        },
+
+
+    },
+    {
+        files: ["app/**", "server/**", "main.js"],
+        languageOptions: {
+            globals: {...globals.node}
+        }
+    },
+    {
+        files: ["public/**"],
+        languageOptions: {
+            globals: {...globals.browser}
+        }
+    },
+    {
+        files: ["preload.js"],
+        languageOptions: {
+            globals: {...globals.node, ...globals.browser}
+        }
+    }
+];