add logo upload

src/server/ui/home/templates/default/assets/README.md

@@ -0,0 +1,3 @@
+# Assets directory
+
+Inside of the assets directory, the start page assets can be found.

src/server/ui/home/templates/fancy/assets/README.md

@@ -0,0 +1,3 @@
+# Assets directory
+
+Inside of the assets directory, the start page assets can be found.

src/server/ui/home/templates/modern/assets/README.md

@@ -0,0 +1,3 @@
+# Assets directory
+
+Inside of the assets directory, the start page assets can be found.