Add Account Abstraction tooling (#211)

* Add Account Abstraction tooling

* Update account-abstraction.md

apps/base-docs/docs/tools/account-abstraction.md

@@ -0,0 +1,61 @@
+---
+title: Account Abstraction
+slug: /tools/account-abstraction
+description: Documentation for Account Abstraction toolkits and solutions for apps built on Base.
+keywords:
+  [
+    account abstraction,
+    AA,
+    smart accounts,
+    smart contract accounts,
+    onboarding,
+    paymasters,
+    bundlers,
+    smart wallets,
+    smart contract wallets,
+    Alchemy,
+    Biconomy,
+    Stackup,
+    Zerodev,
+  ]
+---
+
+# Account Abstraction
+
+---
+
+## Alchemy Account Kit
+
+[Account Kit](https://www.alchemy.com/account-kit) is a complete solution for account abstraction. Using Account Kit you can create a smart contract wallet for every user that leverages account abstraction to simplify every step of your apps onboaring experience. It also offers Gas Manager and Bundler APIs for sponsoring gas and batching transactions.
+
+---
+
+## Biconomy
+
+[Biconomy](https://www.biconomy.io) is an Account Abstraction toolkit that enables you to provide the simplest UX for your dapp or wallet. It offers modular smart accounts, as well as paymasters and bundlers as a service for sponsoring gas and executing transactions at scale.
+
+---
+
+## Pimlico
+
+[Pimlico](https://pimlico.io/) provides an infrastructure platform that makes building smart accounts simpler. If you are developing, an ERC-4337 smart account, they provide bundlers, verifying paymasters, ERC-20 paymasters, and much more.
+
+---
+
+## Safe
+
+[Safe](https://docs.safe.global/getting-started/readme) provides modular smart account infrastructure and account abstraction stack via their Safe{Core} [Account Abstraction SDK](https://docs.safe.global/safe-core-aa-sdk/safe-core-sdk), [API](https://docs.safe.global/safe-core-api/supported-networks), and [Protocol](https://docs.safe.global/safe-core-protocol/safe-core-protocol).
+
+---
+
+## Stackup
+
+[Stackup](https://www.stackup.sh) provides smart account tooling for building account abstraction within your apps. They offer Paymaster and Bundler APIs for sponsoring gas and sending account abstraction transactions.
+
+---
+
+## ZeroDev
+
+[ZeroDev](https://zerodev.app) is an embedded wallet powered by account abstraction. It offers you the ability to create self-custody wallets for your users, sponsor gas, and simplify user slows by batching and automating transactions.
+
+---

apps/base-docs/sidebars.js

@@ -165,6 +165,7 @@ module.exports = {
         'tools/oracles',
         'tools/data-indexers',
         'tools/cross-chain',
+        'tools/account-abstraction',
         'tools/onramps',
         'tools/onboarding',
         {