Initial community commit

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

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+Checks for the existence of directory.
+
+```lua
+os.isdir("path")
+```
+
+### Parameters ###
+
+`path` is the file system path to check.
+
+
+### Return Value ###
+
+**True** if a matching directory is found; **false** is there is no such file system path, or if the path points to a file instead of a directory.
+
+
+### Availability ###
+
+Premake 4.0 or later.
+
+
+### See Also ###
+
+* [os.isfile](os.isfile.md)
+* [os.stat](os.stat.md)