feat: linux appimage build with docker, egl fallback, and webkitgtk fixes

src-tauri/Cargo.toml

@@ -26,11 +26,13 @@ chrono = { version = "0.4", features = ["serde"] }
 tauri-plugin-window-state = "2"
 log = "0.4"
 env_logger = "0.11"
-png = "0.17"
 
-[dependencies.windows]
-version = "0.58"
-features = [
+[target.'cfg(target_os = "linux")'.dependencies]
+gtk = "0.18"
+
+[target.'cfg(windows)'.dependencies]
+png = "0.17"
+windows = { version = "0.58", features = [
     "Win32_UI_WindowsAndMessaging",
     "Win32_System_Threading",
     "Win32_System_SystemInformation",
@@ -39,7 +41,7 @@ features = [
     "Win32_Graphics_Gdi",
     "Win32_Storage_FileSystem",
     "Win32_Foundation",
-]
+] }
 
 [profile.release]
 panic = "abort"