feat: Add recent updates and changelog for January 2026

- Introduced a new `RECENT_UPDATES.md` file detailing UI fixes, performance improvements, and build configuration updates.
- Implemented various UI fixes including theme transition, logout animation lag, and dropdown behavior.
- Enhanced the application with performance improvements and build configuration updates for release signing.
- Added unit tests for `CryptoManager`, `AccountManager`, and `DecryptedAccount` to ensure functionality and reliability.
- Included testing dependencies in `build.gradle.kts` for improved test coverage.

app/build.gradle.kts

@@ -119,7 +119,13 @@ dependencies {
     // Biometric authentication
     implementation("androidx.biometric:biometric:1.1.0")
     
+    // Testing dependencies
     testImplementation("junit:junit:4.13.2")
+    testImplementation("org.jetbrains.kotlinx:kotlinx-coroutines-test:1.7.3")
+    testImplementation("androidx.arch.core:core-testing:2.2.0")
+    testImplementation("io.mockk:mockk:1.13.8")
+    testImplementation("org.robolectric:robolectric:4.11.1")
+    
     androidTestImplementation("androidx.test.ext:junit:1.1.5")
     androidTestImplementation("androidx.test.espresso:espresso-core:3.5.1")
     androidTestImplementation(platform("androidx.compose:compose-bom:2023.10.01"))