Improve dashboard readme

[Traxmaxx]

Problem

Readme was slightly outdated and infos where missing

Solution

Provided more test examples, updated reuirements and re-formatted the content.

Changes Made

• Reformat Readme
• Add more details about folder aliases
• Add more details about testing
• Add one more testing example
• Update utils test names

How to Test

Screenshots

Notes

Checklist

• Code follows the contributing guidelines
• Changes have been thoroughly tested
• Documentation has been updated, if necessary
• Any dependencies have been added to the project, if necessary

Reviewers

[mlabouardy]

same feedback as @greghub, otherwise all good

[greghub]

@Traxmaxx thanks a lot! one more small comment, but pre-approved the changes

[greghub]

@mlabouardy do you think we should include a link to a sample DB and config file to make it easier to run it for contributing?

[mlabouardy]

@mlabouardy do you think we should include a link to a sample DB and config file to make it easier to run it for contributing?

for sure, we can do it in a separate PR :)