Generate application properties

[haxwell]

Added code to generate the application.properties, instead of that copy paste thing we were doing.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 82.24%. Comparing base (7047102) to head (48c8bdb).
Report is 8 commits behind head on develop.

Additional details and impacted files

@@              Coverage Diff              @@
##             develop     #291      +/-   ##
=============================================
- Coverage      82.55%   82.24%   -0.31%     
- Complexity       556      568      +12     
=============================================
  Files             79       81       +2     
  Lines           1685     1729      +44     
  Branches         275      276       +1     
=============================================
+ Hits            1391     1422      +31     
- Misses           254      267      +13     
  Partials          40       40              

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