Issue #202 feat: LoadingDialog 생성 함수 구현

app/src/main/java/com/lateinit/rightweight/ui/dialog/LoadingDialog.kt

@@ -0,0 +1,20 @@
+package com.lateinit.rightweight.ui.dialog
+
+import android.app.Dialog
+import android.content.Context
+import android.graphics.Color
+import android.graphics.drawable.ColorDrawable
+import android.view.Window
+
+class LoadingDialogProvider {
+
+    fun provideLoadingDialog(context: Context, loadingLayout: Int): Dialog {
+        return Dialog(context).apply {
+            requestWindowFeature(Window.FEATURE_NO_TITLE)
+            setCanceledOnTouchOutside(false)
+            setCancelable(false)
+            window?.setBackgroundDrawable(ColorDrawable(Color.TRANSPARENT))
+            setContentView(loadingLayout)
+        }
+    }
+}

app/src/main/res/layout/dialog_loading.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <TextView
+        android:id="@+id/tv_loading"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:textColor="@color/white"
+        android:text="로딩 테스트"
+        android:textSize="30sp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>