Update .gitignore, should fix f-droid build

.gitignore

@@ -1,12 +1,9 @@
-# OS junk files
-[Tt]humbs.db
-*.DS_Store
-
 # Built application files
 *.apk
 *.ap_
+*.aab
 
-# Files for the dex VM
+# Files for the ART/Dalvik VM
 *.dex
 
 # Java class files
@@ -15,26 +12,72 @@
 # Generated files
 bin/
 gen/
-proguard/
+out/
+#  Uncomment the following line in case you need and you don't have the release build type files in your app
+# release/
+
+# Gradle files
+.gradle/
+build/
 
-# Local configuration file (sdk path, keystore, etc)
+# Local configuration file (sdk path, etc)
 local.properties
-gradle.properties
 
-# IDE project files
-.idea/
-.gradle/
-.settings/
-gradle/
-build
+# Proguard folder generated by Eclipse
+proguard/
+
+# Log Files
 *.log
+
+# Android Studio Navigation editor temp files
+.navigation/
+
+# Android Studio captures folder
+captures/
+
+# IntelliJ
 *.iml
-gradle/
-gradlew.bat
+.idea/workspace.xml
+.idea/tasks.xml
+.idea/gradle.xml
+.idea/assetWizardSettings.xml
+.idea/dictionaries
+.idea/libraries
+# Android Studio 3 in .gitignore file.
+.idea/caches
+.idea/modules.xml
+# Comment next line if keeping position of elements in Navigation Editor is relevant for you
+.idea/navEditor.xml
+
+# Keystore files
+# Uncomment the following lines if you do not want to check your keystore files in.
+#*.jks
+#*.keystore
+
+# External native build folder generated in Android Studio 2.2 and later
+.externalNativeBuild
+
+# Google Services (e.g. APIs or Firebase)
+# google-services.json
+
+# Freeline
+freeline.py
+freeline/
+freeline_project_description.json
+
+# fastlane
+fastlane/report.xml
+fastlane/Preview.html
+fastlane/screenshots
+fastlane/test_output
+fastlane/readme.md
 
+# Version control
+vcs.xml
 
-# Junk generated by editors
-*~
-*.swp
-gradlew
-*.bak
+# lint
+lint/intermediates/
+lint/generated/
+lint/outputs/
+lint/tmp/
+# lint/reports/

gradle.properties

@@ -0,0 +1,2 @@
+android.enableJetifier=true
+android.useAndroidX=true

gradle/wrapper/gradle-wrapper.properties

@@ -0,0 +1,6 @@
+#Fri Oct 25 11:04:37 CEST 2019
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.6.2-all.zip