Update README

Signed-off-by: Jianhui Zhao <jianhuizhao329@gmail.com>

CONTRIBUTING.md

@@ -0,0 +1,42 @@
+Contributing
+================================================================================
+
+If you want to contribute to [libuhttp](https://github.com/zhaojh329/libuhttp), please follow these simple rules:
+
+1. Press the fork button:
+
+    ![fork](http://oi58.tinypic.com/jj2trm.jpg)
+
+2. Clone the repository from your account with:
+
+    ```
+    git clone git@github.com:your_github_username/libuhttp.git
+    ```
+
+3. Create a new branch with:
+
+    ```
+    git checkout -b "libuhttp-1-fix"
+    ```
+    You can name it however you want.
+
+4. Make your changes
+
+5. Don't forget to add yourself in `CONTRIBUTORS.md`.
+
+6. Commit and push your changes, then make a pull request from Github.
+
+    git commit --signoff  
+    git push
+    
+7. Awaiting review, if accepted, merged!
+
+**IMPORTANT**
+
+Please, don't forget to update your fork. While you made your changes, 
+the content of the `master` branch can change because other pull requests 
+were merged and it can create conflicts. This is why you have to rebase 
+on `master` every time before pushing your changes and check that your 
+branch doesn't have any conflicts with `master`.
+
+Thank you.

CONTRIBUTORS.md

@@ -0,0 +1,3 @@
+Thank you to all contributors:
+------------------------------
+[Jianhui Zhao](https://github.com/zhaojh329)

README.md

@@ -5,6 +5,11 @@
 A very tiny and fast HTTP library based on [libev](http://software.schmorp.de/pkg/libev.html) and 
 [http-parser](https://github.com/nodejs/http-parser) for Embedded Linux.
 
+# Features
+* Tiny and fast
+* SSL support: Optional OpenSSL and CyaSSl(wolfssl)
+* Highly customizable, and can be easily integrated into your application
+
 # How To Compile on Ubuntu
 ## Install dependency Tools and Libraries
 	sudo apt install cmake libev-dev libhttp-parser-dev
@@ -20,4 +25,17 @@ A very tiny and fast HTTP library based on [libev](http://software.schmorp.de/pk
 ## Test
 	$ ./example/helloworld
 	
-	Then use the command curl or browser to access http://127.0.0.1:8000/test
+	Then use the command curl or browser to access https://127.0.0.1:8000/test
+	
+	$ curl -k https://127.0.0.1:8000/test -v
+	
+# [Example](https://github.com/zhaojh329/libuhttp/blob/master/example/helloworld.c)
+
+# Contributing
+If you would like to help making libuhttp better, see the [CONTRIBUTING.md](https://github.com/zhaojh329/libuhttp/blob/master/CONTRIBUTING.md) file.
+
+# Thanks for the following project
+* [libev](http://software.schmorp.de/pkg/libev.html)
+* [http-parser](https://github.com/nodejs/http-parser)
+
+# If the project is helpful to you, please do not hesitate to star. Thank you!