Spring upgraded to version 3.
Keycloak auth adapters were deprecated and moved to oauth2 security. Auth mechanism refactored.
CSRF handling mechanism upgraded with spring security 6 and BREACH protection.
Removed a LOT of unneeded dependencies.
Upgraded all dependencies to latest versions, except from flyway.
Code cleanup and code simplification.

Spring boot also upgraded to 2.7.13
Removed springfox completely, will use openapi in the future.
Moved ExperimentSpecifications to the Repository.

Bumps [h2](https://github.com/h2database/h2database) from 2.1.210 to 2.2.220.
- [Release notes](https://github.com/h2database/h2database/releases)
- [Commits](https://github.com/h2database/h2database/compare/version-2.1.210...version-2.2.220

)

---
updated-dependencies:
- dependency-name: com.h2database:h2
  dependency-type: direct:production
...

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Bumps [postgresql](https://github.com/pgjdbc/pgjdbc) from 42.3.7 to 42.3.8.
- [Release notes](https://github.com/pgjdbc/pgjdbc/releases)
- [Changelog](https://github.com/pgjdbc/pgjdbc/blob/master/CHANGELOG.md)
- [Commits](https://github.com/pgjdbc/pgjdbc/compare/REL42.3.7...REL42.3.8

)

---
updated-dependencies:
- dependency-name: org.postgresql:postgresql
  dependency-type: direct:production
...

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Bumps [protobuf-java](https://github.com/protocolbuffers/protobuf) from 3.16.1 to 3.16.3.
- [Release notes](https://github.com/protocolbuffers/protobuf/releases)
- [Changelog](https://github.com/protocolbuffers/protobuf/blob/main/generate_changelog.py)
- [Commits](https://github.com/protocolbuffers/protobuf/compare/v3.16.1...v3.16.3

)

---
updated-dependencies:
- dependency-name: com.google.protobuf:protobuf-java
  dependency-type: direct:production
...

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Bumps [postgresql](https://github.com/pgjdbc/pgjdbc) from 42.3.3 to 42.3.7.
- [Release notes](https://github.com/pgjdbc/pgjdbc/releases)
- [Changelog](https://github.com/pgjdbc/pgjdbc/blob/master/CHANGELOG.md)
- [Commits](https://github.com/pgjdbc/pgjdbc/compare/REL42.3.3...REL42.3.7

)

---
updated-dependencies:
- dependency-name: org.postgresql:postgresql
  dependency-type: direct:production
...

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Bumps [gson](https://github.com/google/gson) from 2.7 to 2.8.9.
- [Release notes](https://github.com/google/gson/releases)
- [Changelog](https://github.com/google/gson/blob/master/CHANGELOG.md)
- [Commits](https://github.com/google/gson/compare/gson-parent-2.7...gson-parent-2.8.9

)

---
updated-dependencies:
- dependency-name: com.google.code.gson:gson
  dependency-type: direct:production
...

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Remove article from database.Made GET /experiments return only my experiments or the shared and wont print the result of the experiment.

1) User API moved from Security API>
2) UserInfo is not activeUserService.
3) User Details read from Keycloak Authentication Token.
4) Added application.yml to develop the portal-backend without dockerizing.

1) Removed Models entity.
2) CRUD for experiments.
3) Database cleanup.
4) Useless entities removed.
5) Implemented service layer.
6) DAOs - DTOs cleanup.