Add: communityMaps.json

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)