chore: remove docs

docs/development.md

-# Development
-
-Memos is built with a curated tech stack. It is optimized for developer experience and is very easy to start working on the code:
-
-1. It has no external dependency.
-2. It requires zero config.
-3. 1 command to start backend and 1 command to start frontend, both with live reload support.
-
-## Prerequisites
-
-- [Go](https://golang.org/doc/install)
-- [Node.js](https://nodejs.org/)
-- [pnpm](https://pnpm.io/installation)
-
-## Steps
-
-1. Pull the source code
-
-   ```bash
-   git clone https://github.com/usememos/memos
-   ```
-
-2. Build and run backend server
-
-   ```bash
-   sh scripts/build.sh
-   ```
-
-   Then you can run the server following building outputs.
-
-3. Install frontend dependencies and generate TypeScript code from protobuf
-
-   ```
-   cd web && pnpm i
-   ```
-
-4. Start the dev server of frontend
-
-   ```bash
-   cd web && pnpm dev
-   ```
-
-Memos should now be running at [http://localhost:3001](http://localhost:3001) and change either frontend or backend code would trigger live reload.