feat: add types to package

.eslintignore

@@ -2,3 +2,4 @@ coverage/
 lib/
 !.eslintrc.js
 src/rules/__tests__/fixtures/
+index.d.ts

index.d.ts

@@ -0,0 +1,28 @@
+import { Linter, Rule } from 'eslint';
+
+declare const plugin: {
+  meta: {
+    name: string;
+    version: string;
+  };
+  environments: {
+    globals: {
+      globals: {
+        [key: string]: boolean;
+      };
+    };
+  };
+  configs: {
+    all: Linter.Config;
+    recommended: Linter.Config;
+    style: Linter.Config;
+    'flat/all': Linter.FlatConfig;
+    'flat/recommended': Linter.FlatConfig;
+    'flat/style': Linter.FlatConfig;
+  };
+  rules: {
+    [key: string]: Rule.RuleModule;
+  };
+};
+
+export default plugin;

package.json

@@ -15,9 +15,11 @@
     "url": "jkimbo.com"
   },
   "main": "lib/index.js",
+  "types": "index.d.ts",
   "files": [
     "docs/",
-    "lib/"
+    "lib/",
+    "index.d.ts"
   ],
   "scripts": {
     "build": "babel --extensions .js,.ts src --out-dir lib --copy-files && rimraf --glob lib/__tests__ 'lib/**/__tests__'",