refactor: moved server content to /server

server/views/modals/create.pug

@@ -0,0 +1,14 @@
+
+.modal#modal-create-prompt
+  .modal-background
+  .modal-container
+    .modal-content
+      header.is-light-blue Create New Document
+      section
+        label.label Enter the new document path:
+        p.control.is-fullwidth
+          input.input#txt-create-prompt(type='text', placeholder='page-name')
+          span.help.is-danger.is-hidden This document path is invalid!
+      footer
+        a.button.is-grey.is-outlined.btn-create-prompt Discard
+        a.button.is-light-blue.btn-create-go Create