chore: fix .gitignore so git will properly add the factories

.gitignore

@@ -28,4 +28,8 @@ yarn-error.log*
 src/types/*
 !src/types/common.ts
 !src/types/Greeter.ts
+
+# factories
+!src/types/factories
+src/types/factories/*
 !src/types/factories/Greeter__factory.ts

src/types/Greeter.ts

@@ -1,30 +1,22 @@
 /* Autogenerated file. Do not edit manually. */
 /* tslint:disable */
 /* eslint-disable */
-
 import {
-  ethers,
-  EventFilter,
-  Signer,
-  BigNumber,
-  BigNumberish,
-  PopulatedTransaction,
   BaseContract,
+  BigNumber,
+  BytesLike,
+  CallOverrides,
   ContractTransaction,
   Overrides,
-  CallOverrides,
+  PopulatedTransaction,
+  Signer,
+  utils,
 } from "ethers";
-import { BytesLike } from "@ethersproject/bytes";
+import { FunctionFragment, Result } from "@ethersproject/abi";
 import { Listener, Provider } from "@ethersproject/providers";
-import { FunctionFragment, EventFragment, Result } from "@ethersproject/abi";
-import type {
-  TypedEventFilter,
-  TypedEvent,
-  TypedListener,
-  OnEvent,
-} from "./common";
-
-export interface GreeterInterface extends ethers.utils.Interface {
+import { TypedEventFilter, TypedEvent, TypedListener, OnEvent } from "./common";
+
+export interface GreeterInterface extends utils.Interface {
   functions: {
     "greet()": FunctionFragment;
     "greeting()": FunctionFragment;