Crowdsource the projects and their categories

[tapaswenipathak]

Allow the user to submit a project and tag in categories. Next step for #23, need #25.

After user login, they should be able to submit a project and tag a project.

1. Name of the project.
2. Documentation link of the project.
3. Tag with technologies/programming language/CS areas/summer of code programs of the project.
4. Organization of the project.