added controllers for each activity

app/src/main/java/com/wyattjmiller/dicerollerapp/CoinActivity.kt

@@ -0,0 +1,16 @@
+package com.wyattjmiller.dicerollerapp
+
+import androidx.appcompat.app.AppCompatActivity
+import android.os.Bundle
+
+class CoinActivity : AppCompatActivity() {
+
+    // Private member variables per the layout
+
+    // Private member variable - other
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_coin)
+    }
+}

app/src/main/java/com/wyattjmiller/dicerollerapp/DiceActivity.kt

@@ -0,0 +1,16 @@
+package com.wyattjmiller.dicerollerapp
+
+import androidx.appcompat.app.AppCompatActivity
+import android.os.Bundle
+
+class DiceActivity : AppCompatActivity() {
+
+    // Private member variables per the layout
+
+    // Private member variable - other
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_dice)
+    }
+}

app/src/main/java/com/wyattjmiller/dicerollerapp/MainActivity.kt

@@ -0,0 +1,16 @@
+package com.wyattjmiller.dicerollerapp
+
+import androidx.appcompat.app.AppCompatActivity
+import android.os.Bundle
+
+class MainActivity : AppCompatActivity() {
+
+    // Private member variables per the layout
+
+    // Private member variable - other
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_main)
+    }
+}