Added profile photo loading and uploading

- profile photos now load from backend
- profile photos can be uploaded to the backend
- RetrofitClient now automatically determines if the device is an emulator or hardware so we dont have to comment and uncomment everytime we test with a different device

android/app/build.gradle.kts

@@ -56,6 +56,9 @@ dependencies {
     implementation("io.reactivex.rxjava2:rxjava:2.2.21")
     implementation("io.reactivex.rxjava2:rxandroid:2.1.1")
 
+    implementation("com.github.bumptech.glide:glide:4.16.0")
+    annotationProcessor("com.github.bumptech.glide:compiler:4.16.0")
+
     testImplementation(libs.junit)
     androidTestImplementation(libs.ext.junit)
     androidTestImplementation(libs.espresso.core)