Create DEVELOPMENT.md file

[Ajoke23]

Thank you for taking your time to contribute to Ersilia, just a few checks before we proceed

• Have you followed the guidelines in our Contribution Guide
• Have you written new tests for your core changes, as applicable?
• Have you successfully ran tests with your changes locally?

Description
Currently, Ersilia doesn't have a DEVELOPMENT.md file in the repository. The main aim is to create a DEVELOPMENT.md instruction file

Changes to be made
Add a development .md file in ersilia repository

Status

• Added a getting started section that highlight installation instruction, the use of GitHub codespace as an alternative method and the uses of running a model with verbose -v flag.
• Added Ersilia Artifacts section which focuses on various artifacts that is found in the EOS directory within the user's $HOME path
• Added a Pull Request section that explains how to create a PR either by GitHub Desktop or GirHub Codespaces.I also made emphasis on testing the code using pytest -v
• Added a "Create a Pull Request" section

To do
N/A

Is this pull request related to any open issue? If yes, replace issueID below with the issue ID

Related to #1270

[Ajoke23]

Hi @DhanshreeA. Thanks for the suggestions. All necessary changes has been implemented

[Ajoke23]

Hi @DhanshreeA. All necessary changes has been made.
Please, I await your feedback and any suggestions (if there is)

[DhanshreeA]

Rephrase "Once the required dependencies has been met" to "Once the required dependencies has been installed" or "Once the dependency requirements have been met"

[Ajoke23]

Hi @DhanshreeA. I have implemented all the necessary changes