prevent docs dir from exporting and installing

.gitattributes

@@ -0,0 +1,3 @@
+docs export-ignore
+.gitattributes export-ignore
+.gitignore export-ignore

composer.json

@@ -24,7 +24,8 @@
   "extra": {
     "oxideshop": {
       "blacklist-filter": [
-        "composer.json"
+        "composer.json",
+        "docs/**/*.*"
       ],
       "target-directory": "d3/pdfdocuments"
     }