fix: Linux icon not working

README.md

@@ -43,7 +43,9 @@ Familiar React application structure, just with `electron` folder on the top :wi
 │       ├── icon.icns             Icon for the application on macOS
 │       ├── icon.ico              Icon for the application
 │       ├── installerIcon.ico     Icon for the application installer
-│       └── uninstallerIcon.ico   Icon for the application uninstaller
+│       ├── uninstallerIcon.ico   Icon for the application uninstaller
+|       └── iconset               
+|           └── 256x256.png       Icon for the application on Linux
 │
 ├── release                   Generated after production build, contains executables
 │   └── {version}

electron-builder.json5

@@ -31,7 +31,8 @@
     artifactName: "${productName}-Mac-${version}-Installer.${ext}",
   },
   linux: {
-    target: ["AppImage"],
+    icon: "electron/resources/iconset",
+    target: ["AppImage", "deb"],
     artifactName: "${productName}-Linux-${version}.${ext}",
   },
 }