Add README.md

Phase4-Program/README.md

-# Wikipedia Scrapper
+# Wikipedia Quick View
 
 #### Introduction
 
-This program is focus on 
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+This project focuses on create a quick view of terminology
+by searching in wikipedia. The GUI is a web-based html file 
+that support searching the top relevant contents from wikipedia
+
+#### Project structure
+1. All the GoLang file ending with `.go` is the source code
+2. [go.mod](go.mod) contains the all the required package needs to be installed
+3. [Environment file](assets/.env) contains necessary configuration information that will be used by program
+4. [HTML file](assets/index.html) the web-based GUI page
+5. [CSS file](assets/style.css) includes the aesthetic design for GUI
+
+#### How to use
+1. Compile the source code
+    ```bash
+    go build -o Server *.go
+    ```
+2. Run the server
+    ```bash
+    ./Server
+    ```
+3. Open your browser and entering 
+    ```
+    http://localhost:<port number>/
+    ```
+    Default port number is set to 3000, so by default using the url:
+    ```
+    http://localhost:3000/
+    ```
+4. In the text box, entering anything you want to search and press `ENTER`
+5. The default number of articles is set to 5, you can change [here](wiki.go)
+6. Client the title of any article for more details (jump to wiki page)
+
+#### Reference
+1. [Colly - Scraping Framework for Gophers](http://go-colly.org/)
+2. [Go Doc - Goquery](https://pkg.go.dev/github.com/PuerkitoBio/goquery)
+3. [Go Doc - Colly](https://pkg.go.dev/github.com/gocolly/colly)
+4. [Freshman - How to build your first web application with Go](https://freshman.tech/web-development-with-go/)
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