Update README.md

Author: jcs090218

README.md

@@ -62,7 +62,7 @@ Copy all `.el` files in this repository to `~/.emacs.d/lisp` and add the followi
   (setq sideline-backends-right '(chatgpt-sideline)))
 ```
 
-## Contribute
+## 🛠️ Contribute
 
 [![PRs Welcome](https://img.shields.io/badge/PRs-welcome-brightgreen.svg)](http://makeapullrequest.com)
 [![Elisp styleguide](https://img.shields.io/badge/elisp-style%20guide-purple)](https://github.com/bbatsov/emacs-lisp-style-guide)
@@ -74,5 +74,64 @@ clone and make pull requests to this repository. Or you can
 clone the project and establish your own branch of this tool.
 Any methods are welcome!
 
+### 🔬 Development
+
+To run the test locally, you will need the following tools:
+
+- [Eask](https://emacs-eask.github.io/)
+- [Make](https://www.gnu.org/software/make/) (optional)
+
+Install all dependencies and development dependencies:
+
+```sh
+$ eask install-deps --dev
+```
+
+To test the package's installation:
+
+```sh
+$ eask package
+$ eask install
+```
+
+To test compilation:
+
+```sh
+$ eask compile
+```
+
+**🪧 The following steps are optional, but we recommend you follow these lint results!**
+
+The built-in `checkdoc` linter:
+
+```sh
+$ eask lint checkdoc
+```
+
+The standard `package` linter:
+
+```sh
+$ eask lint package
+```
+
+*📝 P.S. For more information, find the Eask manual at https://emacs-eask.github.io/.*
+
+## ⚜️ License
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+See [`LICENSE`](./LICENSE.txt) for details.
+
 
 [chatgpt]: https://github.com/emacs-openai/chatgpt