Add initial setup for @graphprotocol/guides package with README, TypeScript configuration, and example code

Author: marcusrein

packages/guides/README.md

@@ -0,0 +1,22 @@
+# @graphprotocol/guides
+
+A collection of guides and utilities for The Graph documentation site.
+
+## Development
+
+```
+# Install dependencies (from project root)
+pnpm install
+
+# In watch mode (inside this package)
+pnpm --filter @graphprotocol/guides dev
+```
+
+## Build
+
+```
+# Build the TypeScript sources
+pnpm --filter @graphprotocol/guides build
+```
+
+The compiled JavaScript files and type declarations will be output to `dist/`. 

packages/guides/package.json

@@ -0,0 +1,17 @@
+{
+  "name": "@graphprotocol/guides",
+  "version": "0.1.0",
+  "private": true,
+  "main": "dist/index.js",
+  "types": "dist/index.d.ts",
+  "files": ["dist"],
+  "scripts": {
+    "build": "tsc -p tsconfig.json",
+    "dev": "tsc -w -p tsconfig.json",
+    "typecheck": "tsc --noEmit -p tsconfig.json"
+  },
+  "dependencies": {},
+  "devDependencies": {
+    "typescript": "^5.8.3"
+  }
+} 

packages/guides/src/index.ts

@@ -0,0 +1 @@
+export const hello = (): string => 'Hello from @graphprotocol/guides'; 

packages/guides/tsconfig.json

@@ -0,0 +1,11 @@
+{
+  "extends": "../../tsconfig.json",
+  "compilerOptions": {
+    "rootDir": "src",
+    "outDir": "dist",
+    "declaration": true,
+    "declarationMap": true,
+    "sourceMap": true
+  },
+  "include": ["src"]
+}