add copy-directory package (quicklisp) and snapshot package to .asd.

copy-directory is a package on quicklisp to copy files using the OS's native cp
command (useful for taking snapshots/back-ups of directories). The snapshot
package is for copying directories (I.E. taking snapshots) in /storage and the
site's DB.

ritherdon-archive.asd

@@ -40,6 +40,7 @@
 	       #:serapeum       ; Pagination
 	       #:cl-slug        ; Asciify and slugify strings
 	       #:str            ; String manipulation (easier than built-in)
+               #:copy-directory ; Copy Directories using Native cp
 	       )
   :pathname "src/"
   ;; :serial t
@@ -62,6 +63,7 @@
 	       (:file "validation")
 	       (:file "nera")     ; Database stuff
                (:file "search")   ; Meilisearch stuff
+               (:file "snapshot") ; Site back-up/snapshot stuff
                ;; Caveman Files
 	       (:file "view")
 	       (:file "web"))