Initial community commit

Src/external_dependencies/openmpt-trunk/include/premake/website/docs/string.contains.md

@@ -0,0 +1,22 @@
+Returns true if the string contains the specified substring.
+
+```lua
+string.contains("haystack", "needle")
+```
+
+### Parameters ###
+
+`haystack` is the string to be tested.
+
+`needle` is the substring for which to search. Lua patterns are not supported.
+
+
+### Return Value ###
+
+True if `haystack` contains `needle`.
+
+
+### Availability ###
+
+Premake 5.0 or later.
+