Function manual

TheForceEngine/TFE_FrontEndUI/frontEndUi.cpp:1008–1034

	}

	void manual()
	{
		if (!s_manualDisplayStr)
		{
			// The document has not been loaded yet.
			char path[TFE_MAX_PATH];
			char fileName[TFE_MAX_PATH];
			strcpy(fileName, "Documentation/markdown/TheForceEngineManual.md");
			if (!TFE_Paths::mapSystemPath(fileName))
				TFE_Paths::appendPath(PATH_PROGRAM, fileName, path);
			else
				strcpy(path, fileName);

			FileStream file;
			if (file.open(path, Stream::MODE_READ))
			{
				const size_t len = file.getSize();
				s_manualDisplayStr = new char[len + 1];
				file.readBuffer(s_manualDisplayStr, (u32)len);
				s_manualDisplayStr[len] = 0;

				file.close();
			}
		}

		if (s_manualDisplayStr) { TFE_Markdown::draw(s_manualDisplayStr); }
	}

	void credits()
	{