Update README

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

README.md

@@ -4,3 +4,20 @@
 
 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.
+
+# How To Compile on Ubuntu
+## Install dependency Tools and Libraries
+	sudo apt install cmake libev-dev libhttp-parser-dev
+
+## Compile libuhttp
+	git clone https://github.com/zhaojh329/libuhttp.git
+    cd libuhttp
+    mkdir build
+    cd build
+    cmake ../
+    make && sudo make install
+
+## Test
+	$ ./example/helloworld
+	
+	Then use the command curl or browser to access http://127.0.0.1:8000/test