OpenAPI definition files

[gbarbon]

This PR add the OpenAPI definition files to Kapua.

Related Issue
n/a

Description of the solution adopted
OpenAPI specification have been added for Kapua Services. Moreover, Swagger annotations have also been removed.

Screenshots
n/a

Any side note on the changes made
n/a

[codecov]

Codecov Report

Merging #2784 into develop will increase coverage by 16.43%.
The diff coverage is n/a.

@@              Coverage Diff               @@
##             develop    #2784       +/-   ##
==============================================
+ Coverage      41.05%   57.49%   +16.43%     
- Complexity      2591     3166      +575     
==============================================
  Files           1074     1074               
  Lines          30474    30474               
  Branches        2427     2427               
==============================================
+ Hits           12512    17520     +5008     
+ Misses         17005    11794     -5211     
- Partials         957     1160      +203

Impacted Files	Coverage Δ	Complexity Δ
.../notification/ManagementOperationNotification.java	0% <ø> (ø)	0 <0> (ø)	⬇️
...kapua/service/authorization/access/AccessRole.java	0% <ø> (ø)	0 <0> (ø)	⬇️
...pua/service/authorization/role/RolePermission.java	0% <ø> (ø)	0 <0> (ø)	⬇️
...pua/service/device/registry/event/DeviceEvent.java	0% <ø> (ø)	0 <0> (ø)	⬇️
...apua/service/certificate/info/CertificateInfo.java	0% <ø> (ø)	0 <0> (ø)	⬇️
...n/java/org/eclipse/kapua/message/KapuaPayload.java	100% <ø> (ø)	0 <0> (ø)	⬇️
.../eclipse/kapua/service/device/registry/Device.java	0% <ø> (ø)	0 <0> (ø)	⬇️
...apua/service/authentication/token/AccessToken.java	0% <ø> (ø)	0 <0> (ø)	⬇️
...kapua/service/authorization/access/AccessInfo.java	0% <ø> (ø)	0 <0> (ø)	⬇️
...e/device/registry/connection/DeviceConnection.java	0% <ø> (ø)	0 <0> (ø)	⬇️
... and 249 more

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[lorthirk]

Do we need to ask a CQ even if @gbarbon work is well below a thousand lines?

[lorthirk]

Closing this PR as #2795 has been created with more OpenAPI files