Add navigation component

build.gradle

@@ -1,5 +1,6 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 buildscript {
+    ext.nav_version = "2.3.5"
     repositories {
         google()
         mavenCentral()
@@ -7,6 +8,7 @@ buildscript {
     dependencies {
         classpath "com.android.tools.build:gradle:7.0.3"
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:1.5.31"
+        classpath "androidx.navigation:navigation-safe-args-gradle-plugin:$nav_version"
 
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files