Remove unnecessary files and directories

.idea/.gitignore

-# Default ignored files
-/shelf/
-/workspace.xml
-# Editor-based HTTP Client requests
-/httpRequests/
-# Datasource local storage ignored files
-/dataSources/
-/dataSources.local.xml

.idea/misc.xml

-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="ProjectRootManager" version="2" project-jdk-name="20" project-jdk-type="JavaSDK">
-    <output url="file://$PROJECT_DIR$/out" />
-  </component>
-</project>
\ No newline at end of file

.idea/modules.xml

-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="ProjectModuleManager">
-    <modules>
-      <module fileurl="file://$PROJECT_DIR$/.idea/student-tournament-hub.iml" filepath="$PROJECT_DIR$/.idea/student-tournament-hub.iml" />
-    </modules>
-  </component>
-</project>
\ No newline at end of file

.idea/sonarlint/issuestore/index.pb

-
-9
-	README.md,8\e\8ec9a00bfd09b3190ac6b22251dbb1aa95a0579d
-I
-tournament-factory-adr.md,8\1\81d8eb2bc5a911b258c49bed79926844ea3988f0
-C
-docker-compose.yaml,e\f\ef8def03dc8f162799089e9b5f4321201c8810d5
-F
-sth-backend/Dockerfile,a\d\ad9815cb514700b7f513e4aad039536e258c58d9
-@
-sth-backend/mvnw,f\7\f764c0a37a5c9f7a04bea4edf778d74fc41a085c
-C
-sth-backend/pom.xml,f\f\ffa88f39108e02aca02fbfcfdefda86d60005743
-m
-=sth-backend/src/main/java/hdm/mi/sthbackend/model/IMatch.java,1\5\15d493c652d20750608adb0a33ec5d3ad17ece3d
-r
-Bsth-backend/src/main/java/hdm/mi/sthbackend/model/ITournament.java,d\4\d4d373a247368212c60cc99595abbf323611ed8f
\ No newline at end of file