Update README.md

document new folder structure

README.md

@@ -10,6 +10,7 @@ Once copied, the final structure should appear similar to the following:
 ├── images/
 ├── scripts/
 ├── sounds/
+├── textures/
 ├── description.ext
 ├── mission.jpg
 ├── mission.sqm
@@ -52,3 +53,7 @@ This directory is for organizational purposes for any custom scripts you wish to
 
 This directory is for organizational purposes for any custom scripts you wish to use in your mission.
 > **Note:** Using custom sounds require adding the proper CfgSounds codeblock into mission_settings.hpp
+
+## textures/
+
+This directory is for organizational purposes for textures files used by mission scripts