You can add folder named as visualization-language (if not already present) and start creating data visualizations in it. (e.g. histogram-python,chart-js etc)

1. Visualization(s) that you want to contribute are unique against already existing ones, in terms of visualization, language and the package used.
2. Data referred in the contribution doesn't create issue for anyone.

0. Star this repository.
1. Click on the fork button on the top right corner of this page.
2. Now go to http://github.com/{your_username}/hacktoberfest2021-data-visualizations where you can see your own fork of this repo.
3. Open the terminal and clone your fork using

git clone http://github.com/{your_username}/hacktoberfest2021-data-visualizations

4. Before you make any changes, keep your fork in sync to avoid merge conflicts:

   git remote add upstream https://github.com/dscpvgcoet/hacktoberfest2021-data-visualizations.git
   git pull upstream main

   If you run into a merge conflict, you have to resolve the conflict. There are a lot of guides online, or you can try this one by opensource.com.

5. Now go inside the directory "hacktoberfest2021-data-visualizations" and checkout to a new branch with name of your choice

git checkout -b {branch_name}

6. Start adding/modifying your code.
7. Add the files you want to commit to the staging area.

git add {folder_name/file_name}

8. Commit the changes

git commit -m '{Your commit message}'

9. Push to GitHub.

git push origin {branch_name}

10. Go to http://github.com/{your_username}/hacktoberfest2021-data-visualizations , on the left there is a button to change your branch. Click on it and select {branch_name}.
11. Now you will be able see a button named "Pull request". Click on it.
12. Add appropriate message and click the "Create Pull Request" button.

1. If you get a message like "This branch is X commits ahead, Y commits behind" then visit this thread and follow the steps. Also don't forget to push and pull from proper branches (observe that we have a main branch instead of master).
2. In case of merge conflict visit this thread.