Quickstart documentation rework

[pfistererm]

Updated the documentation to give new users a better start with LicenseScout.

Type of request

• 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 change)
• Refactoring
• Documentation or documentation changes

Related Issue(s)

Somewhat related to #56

Concept

Description of the change

Description of current state

Description of target state

Estimated investment / approximate investment

Initiator

Matthias Pfisterer

Technical information

Platform / target area

known side-effects

other

DB Changes (if so: incl. scripts with definitions and testdata)

How has this Tested?

Screenshots, Uploads, other documents (if appropriate):

Checklist:

• All the commits are signed.
• My code follows the code style of this project.
• I agree with die CLA.
• I have read the CONTRIBUTING docs.
• I have added/updated necessary documentation (if appropriate).

[codecov]

Codecov Report

Merging #67 into master will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master      #67   +/-   ##
=========================================
  Coverage     30.33%   30.33%           
  Complexity      242      242           
=========================================
  Files            63       63           
  Lines          2505     2505           
  Branches        300      300           
=========================================
  Hits            760      760           
  Misses         1678     1678           
  Partials         67       67

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