Replace entry with artifact and add entity

server/views/library.pug

@@ -5,13 +5,13 @@ block content
         .center
             h1 Library
 
-            a.btn.black(href="/library/add")  add entry
+            a.btn.black(href="/library/add")  add artifact
             if entries.length == 0
                 p.flow-text No Literature currently on the system 
             else 
                 .row 
-                    each entry in entries 
+                    each artifact in entries 
                         .col.s12 
-                            a(href=`/library/${entry.id}`) 
+                            a(href=`/library/${artifact.id}`) 
                                 .card-panel
-                                    p.flow-text= entry.name
+                                    p.flow-text= artifact.name