Upgrade ESLint to v10 (#633)

airbnb-base and plugin-import weren't even being used, and we don't
really need them for this repo's scope anyway, so they were removed

Author: mao-sz

.eslintignore

@@ -0,0 +1,16 @@
+name: Linter
+on:
+  pull_request:
+    paths:
+      - '**.js'
+      - '!archive/**'
+
+jobs:
+  lint:
+    name: Run ESLint
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+      - run: npm install
+      - run: npm run lint

.eslintrc.json

@@ -0,0 +1,13 @@
+const js = require("@eslint/js");
+const globals = require("globals");
+const { defineConfig, globalIgnores } = require("eslint/config");
+
+module.exports = defineConfig([
+  globalIgnores(["archive/"]),
+  {
+    files: ["generators/**/*.js", "**/*.spec.js", "**/*-solution.js", "*.js"],
+    plugins: { js },
+    extends: ["js/recommended"],
+    languageOptions: { globals: { ...globals.node, ...globals.jest } },
+  },
+]);