add keybindings for rating

Program.cs

@@ -662,26 +662,50 @@ public class Game : GameWindow {
     photoIndex = Math.Clamp(photoIndex, 0, photos.Count - 1);
 
     if (input.IsKeyDown(Keys.D0) || input.IsKeyDown(Keys.GraveAccent)) {
-      zoomLevel = 0f;
+      photos[photoIndex].Rating = 0;
     }
 
     if (input.IsKeyDown(Keys.D1)) {
-      zoomLevel = 1f;
+      photos[photoIndex].Rating = 1;
     }
 
     if (input.IsKeyDown(Keys.D2)) {
-      zoomLevel = 2f;
+      photos[photoIndex].Rating = 2;
     }
 
     if (input.IsKeyDown(Keys.D3)) {
-      zoomLevel = 4f;
+      photos[photoIndex].Rating = 3;
     }
 
     if (input.IsKeyDown(Keys.D4)) {
-      zoomLevel = 8f;
+      photos[photoIndex].Rating = 4;
     }
 
     if (input.IsKeyDown(Keys.D5)) {
+      photos[photoIndex].Rating = 5;
+    }
+
+    if (input.IsKeyDown(Keys.Q)) {
+      zoomLevel = 0f;
+    }
+
+    if (input.IsKeyDown(Keys.W)) {
+      zoomLevel = 1f;
+    }
+
+    if (input.IsKeyDown(Keys.E)) {
+      zoomLevel = 2f;
+    }
+
+    if (input.IsKeyDown(Keys.R)) {
+      zoomLevel = 4f;
+    }
+
+    if (input.IsKeyDown(Keys.T)) {
+      zoomLevel = 8f;
+    }
+
+    if (input.IsKeyDown(Keys.Y)) {
       zoomLevel = 16f;
     }
   }