Added .vcds from all the singleplayer games in the SDK

sp/game/hl2/scenes/Streetwar/Alyx_gate/al_unholster.vcd

@@ -0,0 +1,52 @@
+// Choreo version 1
+actor "Alyx"
+{
+  channel "audio"
+  {
+  }
+  channel "look at"
+  {
+  }
+  channel "face to"
+  {
+  }
+  channel "move to"
+  {
+  }
+  channel "faceTo"
+  {
+  }
+  channel "Postures"
+  {
+  }
+  channel "Gestures"
+  {
+  }
+  channel "facial"
+  {
+  }
+  channel "Trigger"
+  {
+  }
+  channel "ai"
+  {
+    event generic "unholster"
+    {
+      time 0.060000 0.553333
+      param "AI_UNHOLSTER"
+    }
+  }
+  faceposermodel "u:\tf2\hl2\models\alyx.mdl"
+}
+
+mapname "maps\d2_prison\06_actormarks.bsp"
+scalesettings
+{
+  "CChoreoView" "100"
+  "SceneRampTool" "100"
+  "RampTool" "100"
+  "ExpressionTool" "100"
+  "GestureTool" "100"
+}
+fps 60
+snap off