chore: add basic ESLint config

.github/workflows/CI.yml

@@ -16,6 +16,8 @@ jobs:
 
       - run: npm ci
 
+      - run: npm run lint
+
       - run: npm run prettier:check
 
       - run: npm run test

eslint.config.mjs

@@ -0,0 +1,30 @@
+import pluginJs from "@eslint/js";
+import solid from "eslint-plugin-solid";
+import globals from "globals";
+import tseslint from "typescript-eslint";
+
+/** @type {import('eslint').Linter.Config[]} */
+export default [
+    { files: ["**/*.{js,mjs,cjs,ts,tsx}"] },
+    { languageOptions: { globals: globals.browser } },
+    {
+        ignores: [
+            "dist",
+            "coverage",
+            "node_modules",
+            "dnssec-prover",
+            "jest.config.js",
+            "babel.config.js",
+            "vite.config.mjs",
+            "src/utils/dnssec/dnssec_prover*",
+        ],
+    },
+    pluginJs.configs.recommended,
+    ...tseslint.configs.recommended,
+    solid.configs["flat/typescript"],
+    {
+        rules: {
+            "no-async-promise-executor": "off",
+        },
+    },
+];