Add docs

docs/getting-started.md

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+# Getting Started
+
+## Install
+
+```bash
+bun install
+```
+
+## Environment
+
+```bash
+cp .env.example .env
+```
+
+## Database
+
+```bash
+bun run db:generate
+bun run db:migrate
+bun run db:seed
+```
+
+## Run apps
+
+```bash
+bun run dev
+```
+
+- Web: `http://localhost:3000`
+- Admin: `http://localhost:3001`
+
+## Run docs
+
+```bash
+bun run docs:dev
+```
+
+- Docs: `http://localhost:4173`