Converted Config Utils to Kotlin (commons-app#3674)

* Converted Config Utils to Kotlin

* Changes made as per suggestion

* Omitted this

Author: madhurgupta10

app/src/main/java/fr/free/nrw/commons/utils/ConfigUtils.java

@@ -0,0 +1,24 @@
+package fr.free.nrw.commons.utils
+
+import android.content.Context
+import android.content.pm.PackageManager
+import fr.free.nrw.commons.BuildConfig
+
+object ConfigUtils {
+    @JvmStatic
+    val isBetaFlavour: Boolean = BuildConfig.FLAVOR == "beta"
+
+    @JvmStatic
+    private fun Context.getVersionName(): String {
+        return try {
+            packageManager.getPackageInfo(packageName, 0).versionName
+        } catch (e: PackageManager.NameNotFoundException) {
+            BuildConfig.VERSION_NAME
+        }
+    }
+
+    @JvmStatic
+    fun Context.getVersionNameWithSha(): String {
+        return "${getVersionName()}~${BuildConfig.COMMIT_SHA}"
+    }
+}