add branding directory

build/linux/install.sh

@@ -13,5 +13,5 @@
 
 rootdir="${1:-}"
 install -Dm755 "target/release/outfly" "$rootdir/usr/bin/outfly"
-install -Dm644 "build/linux/outfly.png" "$rootdir/usr/share/pixmaps/outfly.png"
+install -Dm644 "doc/branding/logo.png" "$rootdir/usr/share/pixmaps/outfly.png"
 install -Dm644 "build/linux/outfly.desktop" "$rootdir/usr/share/applications/outfly.desktop"

doc/branding/README.md

@@ -0,0 +1,18 @@
+# OutFly Branding
+## Colors
+
+- Primary color: #BE1251 (pink)
+- Secondary color: #CCCCCC (white)
+- Warning color: #F0D50C (golden)
+
+## Logo
+
+[![logo](logo.png)](logo.png)
+
+based on the [SVG Version](logo.svg), exported with Inkscape 1.3.2
+
+## Sticker
+
+[![sticker](sticker.jpg)](sticker.jpg)
+
+based on the [SVG Version](sticker.svg), exported with Inkscape 1.3.2