diff --git a/.gitignore b/.gitignore
index eab4c7db6a5..f99a4d436a8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,6 +2,7 @@
 /.gradle/
 /build/
 src/main/resources/docs/
+/bin
 
 # IDEA files
 /.idea/
diff --git a/docs/images/marcellaantania.png b/docs/images/marcellaantania.png
new file mode 100644
index 00000000000..a4ae442fae5
Binary files /dev/null and b/docs/images/marcellaantania.png differ
diff --git a/docs/images/nixonwidjaja.png b/docs/images/nixonwidjaja.png
new file mode 100644
index 00000000000..87d745635e9
Binary files /dev/null and b/docs/images/nixonwidjaja.png differ
diff --git a/docs/images/remuslum.png b/docs/images/remuslum.png
new file mode 100644
index 00000000000..8cd1dd47cf2
Binary files /dev/null and b/docs/images/remuslum.png differ
diff --git a/docs/images/sheryew.png b/docs/images/sheryew.png
new file mode 100644
index 00000000000..e61b693329b
Binary files /dev/null and b/docs/images/sheryew.png differ