Fix Capacitor init step logic and convert config to JSON format

Co-authored-by: 0xrinegade <[email protected]>

Author: Copilot

.github/workflows/build-android.yml

@@ -45,7 +45,7 @@ jobs:
 
     - name: Initialize Capacitor (if not exists)
       run: |
-        if [ ! -d "android" ] || [ ! -f "capacitor.config.ts" ]; then
+        if [ ! -d "android" ] && [ ! -f "capacitor.config.json" ] && [ ! -f "capacitor.config.ts" ]; then
           npx cap init "SVMSeek Wallet" "com.svmseek.wallet" --web-dir=build
         fi
         

capacitor.config.json

@@ -0,0 +1,30 @@
+{
+  "appId": "com.svmseek.wallet",
+  "appName": "SVMSeek Wallet",
+  "webDir": "build",
+  "server": {
+    "androidScheme": "https"
+  },
+  "plugins": {
+    "SplashScreen": {
+      "launchShowDuration": 3000,
+      "launchAutoHide": true,
+      "backgroundColor": "#ffffffff",
+      "androidSplashResourceName": "splash",
+      "androidScaleType": "CENTER_CROP",
+      "showSpinner": true,
+      "androidSpinnerStyle": "large",
+      "iosSpinnerStyle": "small",
+      "spinnerColor": "#999999",
+      "splashFullScreen": true,
+      "splashImmersive": true,
+      "layoutName": "launch_screen",
+      "useDialog": true
+    }
+  },
+  "android": {
+    "buildOptions": {
+      "releaseType": "APK"
+    }
+  }
+}