Front: add database buttons

[pascalgrimaud]

• related to Front: primary with methods to call secondary #1222

[codecov]

Codecov Report

Merging #1448 (72178d8) into main (98a8b40) will not change coverage.
The diff coverage is 100.00%.

@@             Coverage Diff             @@
##                main     #1448   +/-   ##
===========================================
  Coverage     100.00%   100.00%           
  Complexity      1594      1594           
===========================================
  Files            301       301           
  Lines           5156      5172   +16     
  Branches          96       100    +4     
===========================================
+ Hits            5156      5172   +16     

Impacted Files	Coverage Δ
...bapp/app/springboot/primary/Generator.component.ts	100.00% <100.00%> (ø)

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