Added (init) before building to check for required directories and files

wg.fnl

@@ -219,6 +219,7 @@
           (build/convert source))))))
 
 (fn build []
+  (init)
   ;; Copy paths
   (if (= (# (directory-contents :copy)) 0)
     (print "No directories or files found in the 'copy/' directory. Skipping...")