Revert "Merge branch 'multiplayer' into 'main'"

See merge request !36

This reverts merge request !35

Update: Added more Stuff to be transported over the server.

See merge request !35

eb093: Added: All other important values like Health, player direction etc are now sent to the other player.

This reverts merge request !6

Merging from Database to development

Closes #16

See merge request !6

Add: playerStats.json
Add: OracleDB.java (OracleDB communication added)
Update: AzureDB.java (Methods changed)
Update: DDL Script (optimised for OracleDB)
Update: GsonHandler.java (removed instance of "Persistence" Singleton as attribute
Update: module-info.java (added lines for OracleDB)
Update: Persistence.java (added methods for loading and saving data)
Update: pom.xml (added OracleDB as dependency)
Update: RuntimeInfo.java (added methods for analysing and utilizing data from persistence)
Update: MapData.java (changed attributes)

Update: Server class and serverhandler class can now be started by creating a class instance, ipaddress can also be set each with a setter.

Add: RuntimeInfo.java
Update: MapData.java (Attributes + Methods added)
Update: PlayerStatistics.java
Update: Persistence.java
Update: localMaps.json (added test data)

Add: localMaps.json
Update: MapData.java (Attributes + Methods added)
Update: pom.xml (added GSON Dependency)
Update: module-info.java (added GSON)
Update: Persistence.java

Update: the client can now connect to the server and exchange coordinates depending on the client addressing the server.

Update: Added Getter/Setter to the ConnectionHandler class and added a stop method for the Thread in the server class.