api for requesting installation ids

src/Core/Models/Api/Request/InstallationRequestModel.cs

@@ -0,0 +1,22 @@
+using Bit.Core.Models.Table;
+using System.ComponentModel.DataAnnotations;
+
+namespace Bit.Core.Models.Api
+{
+    public class InstallationRequestModel
+    {
+        [Required]
+        [EmailAddress]
+        public string Email { get; set; }
+
+        public Installation ToInstallation()
+        {
+            return new Installation
+            {
+                Key = Utilities.CoreHelpers.SecureRandomString(20),
+                Email = Email,
+                Enabled = true
+            };
+        }
+    }
+}