Enhance README with additional links to documentation and GitHub, and update useful commands section to include documentation build commands.

Author: amide-init

README.md

@@ -6,6 +6,8 @@ A local-first diary: **one note per day**, organized by **diary** and **date**.
 - **Multiple diaries**: switch diaries from the navbar
 - **Calendar day view**: `/calendar/YYYY-MM-DD` shows the entry for that day
 
+**Links:** [Documentation](https://amide-init.github.io/mindlog/) · [GitHub](https://github.com/amide-init/mindlog)
+
 ## Requirements
 
 - **Node.js**: >= 22.5
@@ -45,8 +47,10 @@ Open `http://localhost:3000`.
 ## Useful commands
 
 ```bash
-pnpm db:migrate   # run prisma migrations (dev)
-pnpm db:studio    # open Prisma Studio
+pnpm db:migrate    # run prisma migrations (dev)
+pnpm db:studio     # open Prisma Studio
+pnpm docs:dev      # run docs site locally (http://localhost:5173)
+pnpm docs:build    # build docs for deployment
 pnpm lint
 pnpm build
 pnpm start
@@ -59,4 +63,4 @@ pnpm start
 
 ## License
 
-MIT — see `LICENSE`.
+MIT — see [LICENSE](https://github.com/amide-init/mindlog/blob/main/LICENSE).