Initial community commit

Src/external_dependencies/openmpt-trunk/include/premake/website/docs/os.touchfile.md

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+Updates the last modified date of a file without changing its contents.
+
+```lua
+ok, err = os.touchfile("filename")
+```
+
+### Parameters ###
+
+`filename` is the file system path to the target file.
+
+### Return Value ###
+
+True if successful, otherwise nil and an error message.
+
+### Availability ###
+
+Premake 5.0 or later.