feat: add endpoints for fetching lifecycle information

[RadovanTomik]

Negotiator pull request:

Description:

Adds endpoints for fetching lifecycle information

Checklist:

Make sure you tick all the boxes bellow if they are true or do not apply:

• [x] I have performed a self review of my code
• [x] My code follows Google Java Code style
• [x] I have made my code as simple as possible
• [x] I have added unit tests and the code coverage has not decreased
• [x] I have updated the documentation in all relevant places

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 79.47368% with 39 lines in your changes are missing coverage. Please review.

Project coverage is 79.71%. Comparing base (c70f0e7) to head (657a8c6).

Files	Patch %	Lines
...gotiator/service/ResourceLifecycleServiceImpl.java	0.00%	17 Missing :warning:
.../controller/v3/NegotiationLifecycleController.java	84.21%	3 Missing :warning:
...api/controller/v3/ResourceLifecycleController.java	83.33%	3 Missing :warning:
...r/dto/negotiation/NegotiationEventMetadataDto.java	66.66%	1 Missing and 1 partial :warning:
...r/dto/negotiation/NegotiationStateMetadataDto.java	66.66%	1 Missing and 1 partial :warning:
...otiator/dto/resource/ResourceEventMetadataDto.java	66.66%	1 Missing and 1 partial :warning:
...otiator/dto/resource/ResourceStateMetadataDto.java	66.66%	1 Missing and 1 partial :warning:
.../negotiator/mappers/NegotiationEventAssembler.java	81.81%	0 Missing and 2 partials :warning:
.../negotiator/mappers/NegotiationStateAssembler.java	81.81%	0 Missing and 2 partials :warning:
...ric/negotiator/mappers/ResourceEventAssembler.java	80.00%	0 Missing and 2 partials :warning:
... and 1 more

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #282 +/- ## ============================================ - Coverage 80.00% 79.71% -0.29% - Complexity 1020 1076 +56 ============================================ Files 136 146 +10 Lines 3095 3243 +148 Branches 170 173 +3 ============================================ + Hits 2476 2585 +109 - Misses 516 543 +27 - Partials 103 115 +12 ``` | [Flag](https://app.codecov.io/gh/BBMRI-ERIC/negotiator/pull/282/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=BBMRI-ERIC) | Coverage Δ | | |---|---|---| | [unit](https://app.codecov.io/gh/BBMRI-ERIC/negotiator/pull/282/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=BBMRI-ERIC) | `79.71% <79.47%> (-0.29%)` | :arrow_down: | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=BBMRI-ERIC#carryforward-flags-in-the-pull-request-comment) to find out more.

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