docs: adding community standard documents

CODE_OF_CONDUCT.md

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+# Contributor Covenant Code of Conduct
+
+## Our Pledge
+
+In the interest of fostering an open and welcoming environment, we as
+contributors and maintainers pledge to making participation in our project and
+our community a harassment-free experience for everyone, regardless of age, body
+size, disability, ethnicity, sex characteristics, gender identity and expression,
+level of experience, education, socio-economic status, nationality, personal
+appearance, race, religion, or sexual identity and orientation.
+
+## Our Standards
+
+Examples of behavior that contributes to creating a positive environment
+include:
+
+* Using welcoming and inclusive language
+* Being respectful of differing viewpoints and experiences
+* Gracefully accepting constructive criticism
+* Focusing on what is best for the community
+* Showing empathy towards other community members
+
+Examples of unacceptable behavior by participants include:
+
+* The use of sexualized language or imagery and unwelcome sexual attention or
+ advances
+* Trolling, insulting/derogatory comments, and personal or political attacks
+* Public or private harassment
+* Publishing others' private information, such as a physical or electronic
+ address, without explicit permission
+* Other conduct which could reasonably be considered inappropriate in a
+ professional setting
+
+## Our Responsibilities
+
+Project maintainers are responsible for clarifying the standards of acceptable
+behavior and are expected to take appropriate and fair corrective action in
+response to any instances of unacceptable behavior.
+
+Project maintainers have the right and responsibility to remove, edit, or
+reject comments, commits, code, wiki edits, issues, and other contributions
+that are not aligned to this Code of Conduct, or to ban temporarily or
+permanently any contributor for other behaviors that they deem inappropriate,
+threatening, offensive, or harmful.
+
+## Scope
+
+This Code of Conduct applies both within project spaces and in public spaces
+when an individual is representing the project or its community. Examples of
+representing a project or community include using an official project e-mail
+address, posting via an official social media account, or acting as an appointed
+representative at an online or offline event. Representation of a project may be
+further defined and clarified by project maintainers.
+
+## Enforcement
+
+Instances of abusive, harassing, or otherwise unacceptable behavior may be
+reported by contacting the project team at [email protected]. All
+complaints will be reviewed and investigated and will result in a response that
+is deemed necessary and appropriate to the circumstances. The project team is
+obligated to maintain confidentiality with regard to the reporter of an incident.
+Further details of specific enforcement policies may be posted separately.
+
+Project maintainers who do not follow or enforce the Code of Conduct in good
+faith may face temporary or permanent repercussions as determined by other
+members of the project's leadership.
+
+## Attribution
+
+This Code of Conduct is adapted from the [Contributor Covenant][homepage], version 1.4,
+available at https://www.contributor-covenant.org/version/1/4/code-of-conduct.html
+
+[homepage]: https://www.contributor-covenant.org
+
+For answers to common questions about this code of conduct, see
+https://www.contributor-covenant.org/faq

CONTRIBUTING.md

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+# Contributing
+👍🎉 First off, thanks for taking the time to contribute! 🎉👍
+
+When contributing to this repository, please first discuss the change you wish to make via issue, email, or any other method with the owners of this repository before making a change.
+
+Please note we have a [code of conduct](https://github.com/PythonFreeCourse/calendar/blob/master/CODE_OF_CONDUCT.md), please follow it in all your interactions with the project.
+
+## Pull Requests
+Create feature branches.
+
+One pull request per feature - If you want to do more than one thing, send multiple pull requests.
+
+Send coherent history - Make sure each individual commit in your pull request is meaningful. If you had to make multiple intermediate commits while developing, please [squash them](https://www.git-scm.com/book/en/v2/Git-Tools-Rewriting-History#Changing-Multiple-Commit-Messages) before submitting.
+
+## Guide
+1. Fork the project.
+2. Create a new branch (`git checkout -b 'branch name'`).
+3. Commit your changes (`git commit -m 'Add something new'`).
+4. Push to the branch (`git push -u origin 'branch name'`).
+5. Open a Pull Request.
+
+## Style Guide
+Follow the [commit messages specification](https://www.conventionalcommits.org/en/v1.0.0/).
+
+Happy coding!

README.md

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 # PyLander
 
-## Open Source Calendar built with Python
+<p align="center">
+  <img title="Apache-2.0" src="https://img.shields.io/github/license/PythonFreeCourse/calendar.svg">
+</p>
 
-### Run on Windows:
+👋 Welcome to Open Source Calendar built with Python. 🐍
+
+* [Project's objectives](#Project's-objectives)
+* [Creating development environment](#creating-development-environment)
+* [Contributing](#contributing)
+### Project's objectives
+1. Develop open source calendar tool using new technics while trying new things.
+2. Using Python as main programming language and plain HTML/JS for GUI.
+3. Create bonding in our community.
+
+## Creating development environment
+### Prerequisites
+1. Windows or Linux based system - either [WSL on windows](https://docs.microsoft.com/en-us/windows/wsl/install-win10) or full blown linux.
+2. [Python](https://www.python.org/downloads/release/python-385/) 
+
+### Running on Windows
 
 ```shell
 virtualenv env
 .\env\Scripts\activate.bat
 pip install -r requirements.txt
-# Copy configuration.py.example to configuration.py.
+# Copy app\config.py.example to app\config.py.
+# Edit the variables' values.
+uvicorn app.main:app --reload
+```
+
+### Running on Linux
+```shell
+python -m venv venv
+source venv/bin/activate
+pip install -r requirements.txt
+cp app/config.py.example app/configuration.py
 # Edit the variables' values.
 uvicorn app.main:app --reload
 ```
+## Contributing
+View [contributing guidelines](https://github.com/PythonFreeCourse/calendar/blob/master/CONTRIBUTING.md).