Added .vcds from all the singleplayer games in the SDK

sp/game/ep2/Scenes/episode_2/trainyard_greeting.vcd

@@ -0,0 +1,64 @@
+// Choreo version 1
+actor "Alyx"
+{
+  channel "Debug text"
+  {
+  }
+  channel "Moveto"
+  {
+  }
+  channel "Look at"
+  {
+  }
+  channel "Face"
+  {
+  }
+}
+
+actor "!Target1"
+{
+  channel "Debug Text"
+  {
+    event generic "Welcome! Come on in!"
+    {
+      time 0.117594 4.995706
+      param "debugtext Citizen 1: Welcome! Come on in!"
+    }
+  }
+  channel "Look at"
+  {
+  }
+  channel "Moveto"
+  {
+  }
+  channel "Face"
+  {
+  }
+}
+
+actor "!Target2"
+{
+  channel "Debug Text"
+  {
+  }
+  channel "Look at"
+  {
+  }
+  channel "Moveto"
+  {
+  }
+  channel "Face"
+  {
+  }
+}
+
+scalesettings
+{
+  "CChoreoView" "50"
+  "RampTool" "100"
+  "ExpressionTool" "100"
+  "GestureTool" "100"
+  "SceneRampTool" "100"
+}
+fps 60
+snap off