Add missing copyright header in number utils

Signed-off-by: starry-shivam <[email protected]>

app/src/main/java/com/starry/greenstash/utils/NumberUtils.kt

@@ -1,3 +1,27 @@
+/**
+ * MIT License
+ *
+ * Copyright (c) [2022 - Present] Stɑrry Shivɑm
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
 package com.starry.greenstash.utils
 
 import java.math.RoundingMode

app/src/main/java/com/starry/greenstash/utils/Utils.kt

@@ -85,21 +85,19 @@ object Utils {
         NumberUtils.formatCurrency(amount, currencyCode)
 
     /**
-     * Get the authenticators based on the Android version.
+     * Retrieves the appropriate authenticators based on the Android version.
      *
-     * For Android 9 and 10, the authenticators are BIOMETRIC_WEAK and DEVICE_CREDENTIAL.
+     * - For Android 9 (Pie) and Android 10 (Q), the authenticators are `BIOMETRIC_WEAK` and `DEVICE_CREDENTIAL`.
+     * - For Android 11 (R) and above, the authenticators are `BIOMETRIC_STRONG` and `DEVICE_CREDENTIAL`.
+     * - For Android versions below 9, while the authenticators `BIOMETRIC_STRONG` and `DEVICE_CREDENTIAL` are not officially supported,
+     *   using them does not result in an error unlike in Android 9 and 10.
      *
-     * For Android 11 and above, the authenticators are BIOMETRIC_STRONG and DEVICE_CREDENTIAL.
+     * More details can be found in the
+     * [official documentation](https://developer.android.com/reference/androidx/biometric/BiometricPrompt.PromptInfo.Builder#setAllowedAuthenticators(int)).
      *
-     * For Android versions below 9, the authenticators are BIOMETRIC_STRONG and DEVICE_CREDENTIAL although they are not supported,
-     * they don't result in any error unlike in Android 9 and 10.
-     *
-     * See https://developer.android.com/reference/androidx/biometric/BiometricPrompt.PromptInfo.Builder#setAllowedAuthenticators(int)
-     * for more information.
-     *
-     * @return The authenticators based on the Android version.
+     * @return The authenticators suitable for the current Android version.
      */
-    fun getAuthenticators() = if (Build.VERSION.SDK_INT == 28 || Build.VERSION.SDK_INT == 29) {
+    fun getAuthenticators() = if (Build.VERSION.SDK_INT in 28..29) {
         BIOMETRIC_WEAK or DEVICE_CREDENTIAL
     } else {
         BIOMETRIC_STRONG or DEVICE_CREDENTIAL