Add initial version of schema specification site

After running the util/generate_docs.py script to parse and extract
the metadata term specifications and their controlled vocabularies,
we use Hugo to generate the HTML site. The HTML site uses Bootstrap
with several ISEAL brand colors gleaned from the corporate website.

site/content/terms/resource-status-access-license/index.md

@@ -0,0 +1,10 @@
+---
+title: 'Item or resource - access license'
+field: 'dcterms.license'
+slug: 'resource-status-access-license'
+description: 'A legal document giving official permission to do something with the resource - select from control list'
+comment: 'Normally the type of license, ndicated by a short name/code'
+required: False
+vocabulary: 'resource-status-access-license.txt'
+policy: 'Controlled value. Single select from control list.'
+---

site/content/terms/resource-status-access-license/resource-status-access-license.txt

@@ -0,0 +1,16 @@
+CC-BY
+CC-BY-NC
+CC-BY-NC-ND
+CC-BY-NC-SA
+CC-BY-ND
+CC-BY-SA
+Copyrighted
+Copyrighted; all rights reserved
+Copyrighted; Non-commercial educational use only
+Copyrighted; Non-commercial use only
+GPL
+LGPL
+MIT
+None
+OGL
+Other