fix: add missing JSR305 dependency for javax.annotation

The project uses javax.annotation.Nullable which requires the JSR305 library.
Added com.google.code.findbugs:jsr305:3.0.2 to resolve compilation errors.

Author: graycreate

app/build.gradle

@@ -85,6 +85,8 @@ dependencies {
     implementation 'androidx.constraintlayout:constraintlayout:2.0.4'
     implementation 'com.google.android.flexbox:flexbox:3.0.0'
     implementation "androidx.annotation:annotation:1.2.0"
+    // JSR305 annotations for javax.annotation
+    implementation 'com.google.code.findbugs:jsr305:3.0.2'
     // 3rd part Dependencies...
     implementation 'io.reactivex.rxjava2:rxandroid:2.0.1'
     implementation 'io.reactivex.rxjava2:rxjava:2.1.3'