WIP: add Electron platform configuration to Capacitor

- Add electron platform section to capacitor.config.json
- Configure deep linking with timesafari:// scheme
- Set up build options for macOS, Windows, and Linux
- Configure output directory and file inclusion
- Add platform-specific build targets (DMG, NSIS, AppImage)
- Support both x64 and arm64 architectures for macOS
- Set appropriate app categories for each platform

This enables building TimeSafari as a native desktop application
using Capacitor's Electron platform while maintaining existing
mobile and web functionality.

capacitor.config.json

@@ -2,7 +2,6 @@
 	"appId": "app.timesafari",
 	"appName": "TimeSafari",
 	"webDir": "dist",
-	"bundledWebRuntime": false,
 	"server": {
 		"cleartext": true
 	},
@@ -52,5 +51,47 @@
 			"*.jsdelivr.net",
 			"api.endorser.ch"
 		]
+	},
+	"electron": {
+		"deepLinking": {
+			"schemes": ["timesafari"]
+		},
+		"buildOptions": {
+			"appId": "app.timesafari",
+			"productName": "TimeSafari",
+			"directories": {
+				"output": "dist-electron-packages"
+			},
+			"files": [
+				"dist/**/*",
+				"electron/**/*"
+			],
+			"mac": {
+				"category": "public.app-category.productivity",
+				"target": [
+					{
+						"target": "dmg",
+						"arch": ["x64", "arm64"]
+					}
+				]
+			},
+			"win": {
+				"target": [
+					{
+						"target": "nsis",
+						"arch": ["x64"]
+					}
+				]
+			},
+			"linux": {
+				"target": [
+					{
+						"target": "AppImage",
+						"arch": ["x64"]
+					}
+				],
+				"category": "Utility"
+			}
+		}
 	}
 }