feature: Added progress bar

Assets/Scripts/Flow/ProgressBar.cs

@@ -0,0 +1,29 @@
+using System;
+using UnityEngine;
+using UnityEngine.UI;
+
+namespace Flow {
+	public class ProgressBar : MonoBehaviour {
+		[SerializeField] private Image bar;
+
+		private int _progressDone;
+		[SerializeField, Min(0)] private int numberToWin = 10;
+		
+		private void Awake() {
+			UpdateFill();
+		}
+
+		public void AddProgress() {
+			_progressDone++;
+
+			if (_progressDone <= numberToWin) {
+				UpdateFill();
+			}
+		}
+
+		private void UpdateFill() {
+			float fillPercentage = _progressDone / (float)numberToWin;
+			bar.fillAmount = fillPercentage;
+		}
+	}
+}