docker: add new Dockerfile with ubuntu based

[tungbq]

Closes: #3

Changes

• Initialize the Dockerfile
• Using ubuntu:22.04
• Install devtools
• Install python3/pip3

Test log

• Build 🆗:

PS D:\CODING\GITHUB\OPEN-SOURCE\my-project\devops-toolkit> docker run --rm devops-toolkit python3 --version
Python 3.11.3
PS D:\CODING\GITHUB\OPEN-SOURCE\my-project\devops-toolkit> docker run --rm devops-toolkit pip3 --version   
pip 24.0 from /usr/local/lib/python3.11/site-packages/pip (python 3.11)