Feature/597 tags first version

[elislaats]

Description

Added tags to DeX!
In this first version of tags I completed making functionallity to add a project with tags, display the tags where needed and edit the tags on an existing project.

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

Checklist

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• I have added tests that prove my fix is effective or that my feature works
• I updated the changelog with an end-user readable description
• I assigned this pull request to the correct project board to update the sprint board

Steps to Test or Reproduce

Check that the tags work well and are complient with the designs in the issue

1. Add a project with tags
2. Go to project overview to see tags there
3. Go to project detail to view tags there
4. Try and edit the tags on the project

##597

Closes: #597