WIP: Update new README.md p1

Author: acmacunlay

README.md

@@ -1,8 +1,13 @@
 # pywaveshare
 
+*If you are looking for the old README, then you can check it out [here](https://github.com/acmacunlay/pywaveshare/blob/main/README.old.md).*
+
 ## 1. Introduction
 
 ### 1.1. Purpose
+
+This project attempts to wrap all features and functionalities of [Waveshare GSM/GPRS/GNSS HAT for Raspberry Pi](https://www.waveshare.com/gsm-gprs-gnss-hat.htm) in a simple interface.
+
 ### 1.2. Scope
 ### 1.3. Audience
 
@@ -18,6 +23,18 @@
 ### 3.2. System Requirements
 ### 3.3. Installation Steps
 
+You can download the stable version in `pypi` using `pip`:
+
+```shell
+pip install pywaveshare
+```
+
+If the user wants to test out the version under development, then download the package from test.pypi.org using `pip`:
+
+```shell
+pip install -i https://test.pypi.org/simple/ pywaveshare
+```
+
 ## 4. Configuration
 
 ### 4.1. Configuration Parameters