diff --git a/.gitattributes b/.gitattributes
index ca66805..dd03541 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -9,3 +9,4 @@ composer.json export-ignore
 composer.lock export-ignore
 Makefile export-ignore
 .gitattributes export-ignore
+appinfo/screenshot*.png export-ignore
diff --git a/img/app-dark.svg b/img/app-dark.svg
new file mode 100644
index 0000000..abe408a
--- /dev/null
+++ b/img/app-dark.svg
@@ -0,0 +1,3 @@
+<svg height="1024" width="896" xmlns="http://www.w3.org/2000/svg">
+  <path style="fill:#000000;" d="M831 127H63c-35.35 0-64 28.65-64 64v640c0 35.35 28.65 64 64 64h768c35.35 0 64-28.65 64-64V191C895 155.64999999999998 866.35 127 831 127zM127 575l128-128L127 319l64-64 192 192L191 639 127 575zM639 639H383v-64h256V639z" />
+</svg>