Add daemon to proxy user backgrounds

daemon/src/lib.rs

@@ -0,0 +1,16 @@
+pub use cosmic_bg_config::Color;
+
+#[derive(Clone, Debug, serde::Deserialize, serde::Serialize)]
+pub struct UserData {
+    pub uid: u32,
+    pub name: String,
+    pub full_name_opt: Option<String>,
+    pub icon_opt: Option<Vec<u8>>,
+    pub wallpapers_opt: Option<Vec<(String, WallpaperData)>>,
+}
+
+#[derive(Clone, Debug, serde::Deserialize, serde::Serialize)]
+pub enum WallpaperData {
+    Bytes(Vec<u8>),
+    Color(Color),
+}