docs(examples): add yarn workspace + getting-started example

examples/getting-started/.env.example

@@ -0,0 +1,3 @@
+ALCHEMY_RPC_URL=    # e.g. https://eth-sepolia.g.alchemy.com/v2/XXXXX
+BUNDLER_RPC_URL=    # optional if repo provides a bundler URL
+PRIVATE_KEY=        # ONLY for local testing (use a throwaway key)

examples/getting-started/package.json

@@ -0,0 +1,20 @@
+{
+  "name": "aa-sdk-getting-started",
+  "private": true,
+  "type": "module",
+  "scripts": {
+    "build": "tsc -p tsconfig.json",
+    "start": "node dist/index.js",
+    "dev": "ts-node src/index.ts"
+  },
+  "dependencies": {
+    "@alchemy/aa-core": "workspace:*",
+    "@alchemy/aa-ethers": "workspace:*",
+    "ethers": "^6.10.0",
+    "dotenv": "^16.4.0"
+  },
+  "devDependencies": {
+    "ts-node": "^10.9.2",
+    "typescript": "^5.4.0"
+  }
+}

examples/getting-started/src/index.ts

@@ -0,0 +1,11 @@
+import 'dotenv/config';
+import { version as ethersVersion } from 'ethers';
+import pkgCore from '@alchemy/aa-core/package.json' assert { type: 'json' };
+
+console.log('Ethers version:', ethersVersion);
+console.log('@alchemy/aa-core version:', pkgCore.version);
+
+// TODO: Expand this example in a follow-up PR to show a minimal userOp:
+// 1) Create client
+// 2) Fund / sponsor gas (if required)
+// 3) Send a user operation and log hash

examples/getting-started/tsconfig.json

@@ -0,0 +1,12 @@
+{
+  "compilerOptions": {
+    "target": "ES2022",
+    "module": "ES2022",
+    "moduleResolution": "Bundler",
+    "esModuleInterop": true,
+    "strict": true,
+    "outDir": "dist",
+    "skipLibCheck": true
+  },
+  "include": ["src"]
+}