Added .vcds from all the singleplayer games in the SDK

sp/game/hl2/scenes/citadel/al_yes.vcd

@@ -0,0 +1,48 @@
+// Choreo version 1
+actor "Alyx"
+{
+  channel "audio"
+  {
+    event speak "al_yes"
+    {
+      time 0.213333 1.033401
+      param "citadel.al_yes"
+      fixedlength
+      cctype "cc_master"
+      cctoken ""
+    }
+  }
+  channel "look at"
+  {
+  }
+  channel "move to"
+  {
+  }
+  channel "faceTo"
+  {
+  }
+  channel "Postures"
+  {
+  }
+  channel "Gestures"
+  {
+  }
+  channel "facial"
+  {
+  }
+  channel "Trigger"
+  {
+  }
+  faceposermodel "U:\HL2\hl2\models\alyx.mdl"
+}
+
+scalesettings
+{
+  "CChoreoView" "25"
+  "ExpressionTool" "100"
+  "GestureTool" "100"
+  "RampTool" "52"
+  "SceneRampTool" "100"
+}
+fps 60
+snap off