Release v3 with high-res splash screen. More details in web, app manifest

- Add 512, 192 Khoj maskable icons to web app manifest for android rendering
- Add id, categories etc suggested by pwabuilder
- Use higher quality icon images for splash screen than what
  bubblewrap creates by default

src/interface/android/app/build.gradle

@@ -47,7 +47,7 @@ def twaManifest = [
     // 'customtabs' and 'webview'.
     fallbackType: 'customtabs',
     enableSiteSettingsShortcut: 'true',
-    orientation: 'default',
+    orientation: 'any',
 ]
 
 android {
@@ -57,8 +57,8 @@ android {
         applicationId "dev.khoj.app"
         minSdkVersion 19
         targetSdkVersion 35
-        versionCode 2
-        versionName "2"
+        versionCode 3
+        versionName "3"
 
         // The name for the application
         resValue "string", "appName", twaManifest.name

src/interface/android/manifest-checksum.txt

@@ -1 +1 @@
-5a05aa3ca4ff01dd9ca67642c5844a5fa3784939
+ca4c5316752147e8b87265a4b558b10917d38cbd

src/interface/android/twa-manifest.json

@@ -19,9 +19,8 @@
     "path": "android.keystore",
     "alias": "android"
   },
-  "appVersionName": "2",
-  "appVersionCode": 2,
-  "shortcuts": [],
+  "appVersionName": "3",
+  "appVersionCode": 3,
   "generatorApp": "bubblewrap-cli",
   "webManifestUrl": "https://app.khoj.dev/static/khoj.webmanifest",
   "fallbackType": "customtabs",
@@ -38,7 +37,7 @@
   "isMetaQuest": false,
   "fullScopeUrl": "https://app.khoj.dev/",
   "minSdkVersion": 19,
-  "orientation": "default",
+  "orientation": "any",
   "fingerprints": [
     {
       "name": "signing",
@@ -51,5 +50,5 @@
   ],
   "additionalTrustedOrigins": [],
   "retainedBundles": [],
-  "appVersion": "2"
+  "appVersion": "3"
 }