Added length slider to password generation page

src/iOS.Core/Views/SliderTableViewCell.cs

@@ -0,0 +1,38 @@
+using System;
+using UIKit;
+
+namespace Bit.iOS.Core.Views
+{
+    public class SliderTableViewCell : UITableViewCell
+    {
+        private string _detailRightSpace = "\t";
+
+        public SliderTableViewCell(string labelName, float value, float min, float max)
+            : base(UITableViewCellStyle.Value1, nameof(SwitchTableViewCell))
+        {
+            TextLabel.Text = labelName;
+            DetailTextLabel.Text = string.Concat(value.ToString(), _detailRightSpace);
+            DetailTextLabel.TextColor = new UIColor(red: 0.47f, green: 0.47f, blue: 0.47f, alpha: 1.0f);
+
+            Slider = new UISlider
+            {
+                MinValue = min,
+                MaxValue = max,
+                Value = value,
+                TintColor = new UIColor(red: 0.24f, green: 0.55f, blue: 0.74f, alpha: 1.0f),
+                Frame = new CoreGraphics.CGRect(0, 0, 180, 20)
+            };
+            Slider.ValueChanged += Slider_ValueChanged;
+
+            AccessoryView = Slider;
+        }
+
+        private void Slider_ValueChanged(object sender, EventArgs e)
+        {
+            Slider.Value = Convert.ToInt32(Math.Round(Slider.Value, 0));
+            DetailTextLabel.Text = string.Concat(Slider.Value.ToString(), _detailRightSpace);
+        }
+
+        public UISlider Slider { get; set; }
+    }
+}