Update README.md

Author: afif-dev

README.md

@@ -1,2 +1,68 @@
-# py-csv-json-cli
-Py CSV JSON Converter CLI App
+# Py CSV JSON Converter CLI App
+
+CSV and JSON Converter CLI app build with [Python Fire library](https://github.com/google/python-fire)
+
+CLI app included in distribution folder (dist/py-csv-json-cli.exe)
+
+![](https://github.com/afif-dev/py-cryptography-cli/blob/main/py-cryptography-cli-ss-encrypt.png)
+
+
+## Basic Usage
+1. Help
+```
+py py-csv-json-cli --
+py py-csv-json-cli --help
+* Note: close help with key 'q'
+```
+2. Covert CSV to JSON
+```
+py py-csv-json-cli csvtojson car-models.csv
+* Note: example of csv file is car-models.csv 
+```
+3. Covert JSON to CSV
+```
+py py-csv-json-cli jsontocsv csvtojson-1652043963.json
+```
+
+## Setup for Local Development
+
+1. Creating a virtual environment
+```
+py -m venv venv
+```
+2. Activate the environment
+```
+.\venv\Scripts\activate
+```
+3. Install all of the packages using requirements.txt
+```
+pip install -r requirements.txt
+```
+4. Run cli application 
+```
+py py-csv-json-cli.py
+```
+5. Build cli output (more refer to : https://pyinstaller.org/en/stable/usage.html)
+```
+pyinstaller py-csv-json-cli.spec
+```
+6. Export a list of all installed packages (Optional)
+```
+pip freeze > requirements.txt
+```
+7. Leaving the environment
+```
+deactivate
+```
+
+## Reference Links
+- https://packaging.python.org/en/latest/guides/installing-using-pip-and-virtual-environments/
+- https://docs.python.org/3/library/index.html
+- https://docs.python.org/3/library/datetime.html
+- https://docs.python.org/3/library/json.html
+- https://docs.python.org/3/library/csv.html
+- https://github.com/google/python-fire
+- https://pyinstaller.org/en/stable/usage.html
+- https://www.geeksforgeeks.org/convert-csv-to-json-using-python/
+- https://www.geeksforgeeks.org/convert-json-to-csv-in-python/?ref=lbp
+