docs: fix some broken Python examples

Author: lmichaelis

docs/library/api/model-hierarchy.md

@@ -91,3 +91,4 @@
     vfs = Vfs()
     vfs.mount_disk("Anims.vdf", clobber=VfsOverwriteBehavior.OLDER)
     mdh = ModelHierarchy.load(vfs.find("MySkeleton.MDH"))
+    ```

docs/library/api/model-mesh.md

@@ -91,3 +91,4 @@
     vfs = Vfs()
     vfs.mount_disk("Anims.vdf", clobber=VfsOverwriteBehavior.OLDER)
     mesh = ModelMesh.load(vfs.find("MyMesh.MDM"))
+    ```

docs/library/api/morph-mesh.md

@@ -91,3 +91,4 @@
     vfs = Vfs()
     vfs.mount_disk("Anims.vdf", clobber=VfsOverwriteBehavior.OLDER)
     mmb = MorphMesh.load(vfs.find("MyMesh.MMB"))
+    ```

docs/library/api/multi-resolution-mesh.md

@@ -91,3 +91,4 @@
     vfs = Vfs()
     vfs.mount_disk("Meshes.vdf", clobber=VfsOverwriteBehavior.OLDER)
     mrm = MultiResolutionMesh.load(vfs.find("MyMesh.MRM"))
+    ```

docs/library/api/texture.md

@@ -91,3 +91,4 @@
     vfs = Vfs()
     vfs.mount_disk("Textures.vdf", clobber=VfsOverwriteBehavior.OLDER)
     tex = Texture.load(vfs.find("MyTexture.TEX"))
+    ```

docs/library/api/virtual-file-system.md

@@ -129,6 +129,7 @@ by a now defunct company called [TRIACOM Software][].
     rd = node.open()
 
     # ...
+    ```
 
 
 [ZIP]: https://en.wikipedia.org/wiki/ZIP_(file_format)

docs/library/api/world.md

@@ -91,3 +91,4 @@
     vfs = Vfs()
     vfs.mount_disk("Worlds.vdf", clobber=VfsOverwriteBehavior.OLDER)
     world = World.load(vfs.find("OLDWORLD.ZEN"))
+    ```