Fix sample and update with jitpack dependency

Had removed the ConstraintLayout dependency but forgot
the template used it.

sample/build.gradle.kts

@@ -32,8 +32,13 @@ android {
 
 }
 
+repositories {
+    maven { url = uri("https://jitpack.io") }
+}
+
 dependencies {
-    implementation(project(":library"))
+    implementation("com.gabrielfeo:suspendpermission:-SNAPSHOT")
+    // Replace "-SNAPSHOT" with version from README
     implementation(Kotlin.StdLib)
     with(AndroidX) {
         implementation(Core)

sample/src/main/res/layout/activity_main.xml

@@ -1,19 +1,15 @@
 <?xml version="1.0" encoding="utf-8"?>
-<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
+    android:gravity="center"
     tools:context=".MainActivity">
 
     <TextView
         android:id="@+id/text"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:text="Hello World!"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintLeft_toLeftOf="parent"
-        app:layout_constraintRight_toRightOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
+        android:text="Hello World!" />
 
-</androidx.constraintlayout.widget.ConstraintLayout>
+</LinearLayout>