Added .vcds from all the singleplayer games in the SDK

sp/game/episodic/Scenes/episode_1/al_stalkertrain_04b.vcd

@@ -0,0 +1,86 @@
+// Choreo version 1
+actor "Alyx"
+{
+  channel "audio"
+  {
+    event speak "ep_01.al_stalk_okletsgetoutofhere"
+    {
+      time 0.424241 2.025828
+      param "ep_01.al_tunnel_surface"
+      fixedlength
+      cctype "cc_master"
+      cctoken ""
+    }
+  }
+  channel "look at"
+  {
+    event lookat "!self"
+    {
+      time 0.059629 0.927665
+      param "!self"
+      event_ramp 
+      {
+        0.3385 0.9601
+        0.4500 0.9681
+      }
+    }
+    event lookat "!player"
+    {
+      time 0.503911 2.227273
+      param "!player"
+      event_ramp 
+      {
+        0.3385 0.9601
+        1.3053 0.9681
+      }
+    }
+  }
+  channel "move to"
+  {
+  }
+  channel "faceTo"
+  {
+  }
+  channel "Postures"
+  {
+  }
+  channel "Trigger"
+  {
+  }
+  channel "bodyges"
+  {
+  }
+  channel "Gestures"
+  {
+    event gesture "NULL"
+    {
+      time 0.000000 2.227273
+      param ""
+    }
+  }
+  channel "armpose"
+  {
+  }
+  channel "facial"
+  {
+  }
+  channel "head"
+  {
+  }
+  channel "seq"
+  {
+  }
+  faceposermodel "U:\HL2\hl2\models\alyx.mdl"
+}
+
+mapname "maps\d1_trainstation_05bill.bsp"
+scalesettings
+{
+  "CChoreoView" "44"
+  "ExpressionTool" "18"
+  "GestureTool" "100"
+  "RampTool" "52"
+  "SceneRampTool" "100"
+}
+fps 60
+snap off