fix: linux taskbar ikonu (gtk default icon + hicolor tema indeksi + StartupWMClass), windows .ico yenilendi, .deb guncellendi

install.sh

@@ -63,6 +63,22 @@ else
   ok "İkon zaten mevcut"
 fi
 
+# ── Hicolor tema indeksi (GTK ikon temasını tanısın) ──
+if [ ! -f "${HOME}/.local/share/icons/hicolor/index.theme" ]; then
+  mkdir -p "${HOME}/.local/share/icons/hicolor/64x64/apps"
+  cat > "${HOME}/.local/share/icons/hicolor/index.theme" << 'EOF'
+[Icon Theme]
+Name=Hicolor
+Comment=Fallback icon theme
+Directories=64x64/apps
+
+[64x64/apps]
+Size=64
+Context=Applications
+Type=Fixed
+EOF
+fi
+
 # ── .desktop dosyası ──
 info ".desktop dosyası oluşturuluyor…"
 cat > "$DESKTOP_FILE" << EOF
@@ -76,7 +92,7 @@ Terminal=false
 Categories=Graphics;Viewer;RasterGraphics;
 MimeType=image/png;image/jpeg;image/webp;image/bmp;image/gif;image/jpg;image/vnd.wap.wbmp;
 StartupNotify=false
-StartupWMClass=com.example.imajviewer
+StartupWMClass=Com.example.imajviewer
 EOF
 ok "${DESKTOP_FILE}"