Add project manifest

[snk4tr]

Closes #355

Proposed Changes

• Add project manifesto
• Make it easy to understand and not too fancy

What do you guys think? Is there something to add?

[sonarcloud[bot]]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
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No Coverage information
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[codecov[bot]]

Codecov Report

Merging #356 (d16f83b) into master (09aad9e) will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #356   +/-   ##
=======================================
  Coverage   92.01%   92.01%           
=======================================
  Files          34       34           
  Lines        2491     2491           
=======================================
  Hits         2292     2292           
  Misses        199      199           

Flag	Coverage Δ
unittests	92.01% <ø> (ø)

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