Add more details in readme

Author: bhch

README.md

@@ -6,15 +6,17 @@ React Component for editing JSON data using form inputs.
 
  1. Clone the repo.
  2. Run `npm install` to install packages required for development.
- 3. Run `npm run dev`. This will start a script which will automatically compile
+ 3. The source files are in `src/` directory. These are the files you need to change.
+ 4. Run `npm run dev`. This will start a script which will automatically compile
     js files upon changes.
- 4. Open a new terminal and:
-    1. Go into `dev/` directory: `cd dev`.
-    2. Run `python3 -m http.server` This will start a server at `localhost:8888`.
 
+**To view your changes**, use the `dev/index.html` file. This is used for rendering
+the library while developing it.
 
-There's a `dev/index.html` file which will be served by the Python server.
-This is used for rendering and developing the library.
+ 1. Open a new terminal
+ 2. Go into `dev/` directory: `cd dev`.
+ 3. Run `python3 -m http.server` This will start a server at `localhost:8888`.  
+    This will serve the `dev/index.html` file.
 
 Currently, there's no hot-reloading set up, so when you make changes you'll 
 have to reload the page manually to view changes.