[ADD] #335 Navaigator에서 쓸 startActivity 확장 함수 추가

Author: dongx0915

app/src/main/java/com/runnect/runnect/util/extension/ActivityExt.kt

@@ -1,8 +1,25 @@
 package com.runnect.runnect.util.extension
 
 import android.app.Activity
+import android.content.Intent
 import com.runnect.runnect.R
 
+/**
+ * 애니메이션과 함께 새로운 액티비티를 시작합니다.
+ *
+ * @param intentBuilder 새로 시작할 액티비티의 [Intent]
+ * @param withFinish 현재 액티비티를 종료할 지 여부
+ */
+inline fun <reified T : Activity> Activity.startActivityWithAnimation(
+    intentBuilder: Intent.() -> Intent = { this },
+    withFinish: Boolean = false,
+) {
+    startActivity(intentBuilder(Intent(this, T::class.java)))
+    applyScreenEnterAnimation()
+
+    if (withFinish) finish()
+}
+
 fun Activity.navigateToPreviousScreenWithAnimation() {
     finish()
     applyScreenExitAnimation()