More fixed to .gitignore.

.gitignore

@@ -4,9 +4,6 @@
 !.vscode/settings.json
 !.vscode/tasks.json
 
-*.jar
-!gradle-wrapper.jar
-
 __pycache__
 .classpath
 .DS_Store
@@ -23,14 +20,12 @@ __pycache__
 *.class
 *.code-workspace
 *.ctxt
-*.ear
 *.iws
 *.log
 *.nar
 *.rar
 *.sublime-*
 *.tar.gz
-*.war
 *.zip
 /**/.idea_modules/
 /**/.idea/**/caches/build_file_checksums.ser

gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-6.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.2.1-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

lgtm.yml

@@ -1,6 +1,8 @@
 extraction:
   java:
     index:
+      gradle:
+        version: 6.2.1
       build_command: ./gradlew clean build
       properties_files: true
       xml_mode: disabled