Firebase data added in Map

.gradle/7.5/executionHistory/executionHistory.bin

.gradle/7.5/executionHistory/executionHistory.lock

.gradle/7.5/fileHashes/fileHashes.bin

.gradle/7.5/fileHashes/fileHashes.lock

.gradle/7.5/fileHashes/resourceHashesCache.bin

.gradle/buildOutputCleanup/buildOutputCleanup.lock

app/src/main/java/com/example/game2d/FirebaseActivity.java

app/src/main/res/layout/activity_username.xml