Added .vcds from all the singleplayer games in the SDK

sp/game/episodic/Scenes/episode_1/al_citadel_ExitNag02.vcd

@@ -0,0 +1,73 @@
+// Choreo version 1
+event section "p"
+{
+  time 1.824562 -1.000000
+  param "noaction"
+}
+actor "Alyx"
+{
+  channel "audio"
+  {
+    event generic "Exit Nag 2"
+    {
+      time 0.360703 4.617305
+      param "debugtext Over here, let's get moving!"
+    }
+  }
+  channel "look at"
+  {
+    event face "face player"
+    {
+      time 0.185185 0.944444
+      param "!player"
+    }
+  }
+  channel "move to"
+  {
+  }
+  channel "faceTo"
+  {
+    event face "!player"
+    {
+      time 0.395868 1.338493
+      param "!player"
+    }
+  }
+  channel "Postures"
+  {
+  }
+  channel "Trigger"
+  {
+  }
+  channel "bodyges"
+  {
+  }
+  channel "Gestures"
+  {
+  }
+  channel "armpose"
+  {
+  }
+  channel "facial"
+  {
+  }
+  channel "head"
+  {
+  }
+  channel "seq"
+  {
+  }
+  faceposermodel "U:\HL2\hl2\models\alyx.mdl"
+}
+
+mapname "maps\d1_trainstation_05bill.bsp"
+scalesettings
+{
+  "CChoreoView" "36"
+  "ExpressionTool" "18"
+  "GestureTool" "100"
+  "RampTool" "52"
+  "SceneRampTool" "100"
+}
+fps 60
+snap off