Readme with Keycloak tutorial

See merge request !41

fix: fixed pageable object annotation at movie stakeholders

See merge request !40

Locust

See merge request !38

fix: Grafana fixed to another user port

See merge request !37

Oauth implementation

See merge request !36

Merge branch 'feat/oauth2-okta' of gitlab.fi.muni.cz:xwehrenb/pa165-movie-recommendation-project into feat/oauth2-okta

# Conflicts:
#	module-user/src/main/resources/application.yml

# Conflicts:
#	module-user/src/main/java/cz/muni/fi/pa165/config/SecurityConfiguration.java
#	module-user/src/main/resources/application.yml

Feat/observability

See merge request !30

# Conflicts:
#   module-rating/src/main/resources/application.yml