CLOUDP-286235: Improve tooling

Author: lovisaberggren

.gitignore

@@ -13,7 +13,7 @@
 *.env
 
 /tools/postman/openapi
-/tools/postman/node_modules
+/node_modules
 
 # Tool generated files
 *.idea

.prettierignore

@@ -0,0 +1,6 @@
+# Ignore artifacts:
+*.md
+*.json
+*.yaml
+*.yml
+*.html

.prettierrc.json

@@ -0,0 +1,9 @@
+{
+  "trailingComma": "es5",
+  "tabWidth": 2,
+  "printWidth": 120,
+  "semi": true,
+  "singleQuote": true,
+  "bracketSpacing": true,
+  "bracketSameLine": false
+}

eslint.config.mjs

@@ -0,0 +1,19 @@
+import globals from 'globals';
+import pluginJs from '@eslint/js';
+
+/** @type {import('eslint').Linter.Config[]} */
+export default [
+  { languageOptions: { globals: globals.browser } },
+  pluginJs.configs.recommended,
+  {
+    languageOptions: {
+      ecmaVersion: 2022,
+      sourceType: 'module',
+    },
+  },
+  {
+    rules: {
+      'no-unused-exports': 'off',
+    },
+  },
+];