diff --git a/.gitignore b/.gitignore
index 11ed966..3237938 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,4 @@
 /.idea/
 /.settings/
 /build/
-/gradle/
 /target/
diff --git a/.gradle/6.4.1/executionHistory/executionHistory.bin b/.gradle/6.4.1/executionHistory/executionHistory.bin
deleted file mode 100644
index 7484398..0000000
Binary files a/.gradle/6.4.1/executionHistory/executionHistory.bin and /dev/null differ
diff --git a/.gradle/6.4.1/executionHistory/executionHistory.lock b/.gradle/6.4.1/executionHistory/executionHistory.lock
deleted file mode 100644
index 0e993e0..0000000
Binary files a/.gradle/6.4.1/executionHistory/executionHistory.lock and /dev/null differ
diff --git a/.gradle/6.4.1/fileChanges/last-build.bin b/.gradle/6.4.1/fileChanges/last-build.bin
deleted file mode 100644
index f76dd23..0000000
Binary files a/.gradle/6.4.1/fileChanges/last-build.bin and /dev/null differ
diff --git a/.gradle/6.4.1/fileContent/fileContent.lock b/.gradle/6.4.1/fileContent/fileContent.lock
deleted file mode 100644
index 7157a2a..0000000
Binary files a/.gradle/6.4.1/fileContent/fileContent.lock and /dev/null differ
diff --git a/.gradle/6.4.1/fileHashes/fileHashes.bin b/.gradle/6.4.1/fileHashes/fileHashes.bin
deleted file mode 100644
index 1de6763..0000000
Binary files a/.gradle/6.4.1/fileHashes/fileHashes.bin and /dev/null differ
diff --git a/.gradle/6.4.1/fileHashes/fileHashes.lock b/.gradle/6.4.1/fileHashes/fileHashes.lock
deleted file mode 100644
index 5f13d30..0000000
Binary files a/.gradle/6.4.1/fileHashes/fileHashes.lock and /dev/null differ
diff --git a/.gradle/6.4.1/fileHashes/resourceHashesCache.bin b/.gradle/6.4.1/fileHashes/resourceHashesCache.bin
deleted file mode 100644
index f896898..0000000
Binary files a/.gradle/6.4.1/fileHashes/resourceHashesCache.bin and /dev/null differ
diff --git a/.gradle/6.4.1/gc.properties b/.gradle/6.4.1/gc.properties
deleted file mode 100644
index e69de29..0000000
diff --git a/.gradle/6.4.1/javaCompile/classAnalysis.bin b/.gradle/6.4.1/javaCompile/classAnalysis.bin
deleted file mode 100644
index 60c3ac2..0000000
Binary files a/.gradle/6.4.1/javaCompile/classAnalysis.bin and /dev/null differ
diff --git a/.gradle/6.4.1/javaCompile/jarAnalysis.bin b/.gradle/6.4.1/javaCompile/jarAnalysis.bin
deleted file mode 100644
index 7e3aeee..0000000
Binary files a/.gradle/6.4.1/javaCompile/jarAnalysis.bin and /dev/null differ
diff --git a/.gradle/6.4.1/javaCompile/javaCompile.lock b/.gradle/6.4.1/javaCompile/javaCompile.lock
deleted file mode 100644
index 2e3efd6..0000000
Binary files a/.gradle/6.4.1/javaCompile/javaCompile.lock and /dev/null differ
diff --git a/.gradle/6.4.1/javaCompile/taskHistory.bin b/.gradle/6.4.1/javaCompile/taskHistory.bin
deleted file mode 100644
index 499af99..0000000
Binary files a/.gradle/6.4.1/javaCompile/taskHistory.bin and /dev/null differ
diff --git a/.gradle/buildOutputCleanup/buildOutputCleanup.lock b/.gradle/buildOutputCleanup/buildOutputCleanup.lock
deleted file mode 100644
index f0d6c41..0000000
Binary files a/.gradle/buildOutputCleanup/buildOutputCleanup.lock and /dev/null differ
diff --git a/.gradle/buildOutputCleanup/cache.properties b/.gradle/buildOutputCleanup/cache.properties
deleted file mode 100644
index b79b97c..0000000
--- a/.gradle/buildOutputCleanup/cache.properties
+++ /dev/null
@@ -1,2 +0,0 @@
-#Mon May 25 16:15:59 CEST 2020
-gradle.version=6.4.1
diff --git a/.gradle/buildOutputCleanup/outputFiles.bin b/.gradle/buildOutputCleanup/outputFiles.bin
deleted file mode 100644
index f88248a..0000000
Binary files a/.gradle/buildOutputCleanup/outputFiles.bin and /dev/null differ
diff --git a/.gradle/checksums/checksums.lock b/.gradle/checksums/checksums.lock
deleted file mode 100644
index 22e99c5..0000000
Binary files a/.gradle/checksums/checksums.lock and /dev/null differ
diff --git a/.gradle/checksums/md5-checksums.bin b/.gradle/checksums/md5-checksums.bin
deleted file mode 100644
index 4cd3342..0000000
Binary files a/.gradle/checksums/md5-checksums.bin and /dev/null differ
diff --git a/.gradle/checksums/sha1-checksums.bin b/.gradle/checksums/sha1-checksums.bin
deleted file mode 100644
index f038063..0000000
Binary files a/.gradle/checksums/sha1-checksums.bin and /dev/null differ
diff --git a/.gradle/vcs-1/gc.properties b/.gradle/vcs-1/gc.properties
deleted file mode 100644
index e69de29..0000000
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
new file mode 100644
index 0000000..62d4c05
Binary files /dev/null and b/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
new file mode 100644
index 0000000..af1a2e9
--- /dev/null
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -0,0 +1,6 @@
+#Tue May 26 17:58:07 CEST 2020
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.4.1-all.zip
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStorePath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME