📝 : Adding GitHub projects contributing rules (#60)

* 📝 : Adding GitHub projects contributing rules

* 💄 : updating to match markdownlint requirements

Co-authored-by: vasanthapeddinti <vasanthabhanu94@gmail.com>

CODE_OF_CONDUCT.md

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+
+# Code of Conduct
+
+## 1. Purpose
+
+A primary goal of immosheets is to be inclusive to the largest number of contributors,
+with the most varied and diverse backgrounds possible. As such, we are committed to
+providing a friendly, safe, and welcoming environment for all, regardless of gender,
+sexual orientation, ability, ethnicity, socioeconomic status, and religion (or lack thereof).
+
+## 2. Expected Behavior
+
+* Participate in an authentic and active way.
+* Exercise consideration and respect in your speech and actions.
+* Attempt collaboration before conflict.
+* Refrain from demeaning, discriminatory, or harassing behavior and speech.
+* Be mindful of your surroundings and of your fellow participants.
+
+## 3. Unacceptable Behavior
+
+Unacceptable behaviors include: intimidating, harassing, abusive, discriminatory, derogatory or
+demeaning speech or actions by any participant in our community online, at all related events
+and in one-on-one communications carried out in the context of community business. Community
+event venues may be shared with members of the public; please be respectful
+to all patrons of these locations.
+
+## 4. Consequences of Unacceptable Behavior
+
+Unacceptable behavior from any community member, including sponsors and those with
+decision-making authority, will not be tolerated. Anyone asked to stop unacceptable
+behavior is expected to comply immediately. If a community member engages in
+unacceptable behavior, the community organizers may take any action they
+deem appropriate, up to and including a temporary ban or permanent
+expulsion from the community without warning.
+
+## 5. Reporting Guidelines
+
+If you are subject to or witness unacceptable behavior,
+or have any other concerns, please notify a community organizer as soon as possible.
+
+## 6. Scope
+
+We expect all community participants (contributors, paid or otherwise; sponsors;
+and other guests) to abide by this Code of Conduct in all community venues—online
+and in-person—as well as in all one-on-one communications pertaining to community business.

CONTRIBUTING.md

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+
+# Contributing to immosheets
+
+Thank you for considering contributing to immosheets! Every contribution,
+whether a typo fix or a new feature, is valuable for the project.
+This document provides guidelines and steps for contributing.
+
+## Code of Conduct
+
+By participating in this project, you are expected to uphold our [Code of Conduct](CODE_OF_CONDUCT.md).
+
+## How Can I Contribute?
+
+### Reporting Bugs
+
+1. Ensure the bug was not already reported by searching on GitHub
+under [Issues](https://github.com/arthuRHD/immosheets/issues).
+2. If you're unable to find an open issue addressing the problem,
+[open a new one](https://github.com/arthuRHD/immosheets/issues/new).
+Include a clear title, detailed description, and as much relevant information as possible.
+
+### Suggesting Enhancements
+
+1. First, read the documentation to ensure the feature hasn't been discussed or implemented.
+2. Propose your new feature in an [issue](https://github.com/arthuRHD/immosheets/issues/new).
+Include design mockups or diagrams if applicable.
+
+### Pull Requests
+
+1. Fork the repository and create your branch from `main`.
+2. Ensure the test suite passes using `pytest`.
+3. Issue that pull request!
+
+## Development Setup
+
+1. Fork and clone the repository.
+2. Install the required dependencies using `pip install -r requirements.txt`.
+3. Make your changes and test them.
+4. Submit your pull request.
+
+## Styleguides
+
+### Git Commit Messages
+
+* Start the commit message with an appropriate [gitmoji](https://gitmoji.dev/).
+For example: `🐛: Fix a bug` or `✨: Add new feature`.
+* Use the present tense ("Add feature" not "Added feature").
+* Use the imperative mood ("Move cursor to..." not "Moves cursor to...").
+* Limit the first line to 72 characters or less.
+* Reference issues and pull requests liberally after the initial message.
+
+### Python Styleguide
+
+All Python code must adhere to the PEP 8 style guide.