add simple license and privacy policy pages

silly but certain things require these. also added some sitemap priorities to other miscellaneous pages.

layouts/_default/single.amp.html

@@ -256,7 +256,7 @@
     </article>
 
     <footer>
-      <div class="left">Content by <a href="{{ .Site.BaseURL }}">{{ .Site.Author.name }}</a>, licensed under <a class="no-underline" href="{{ .Site.Params.licenseURL }}" {{ with .Site.Params.licenseFull }} title="{{ . }}" {{ end }}target="_blank" rel="noopener">{{ .Site.Params.license }}</a>.</div>
+      <div class="left">Content by <a href="{{ .Site.BaseURL }}">{{ .Site.Author.name }}</a>, licensed under <a class="no-underline" href="{{ "license/" | absURL }}"{{ with .Site.Params.licenseFull }} title="{{ . }}"{{ end }}>{{ .Site.Params.license }}</a>.</div>
       <div class="right"><a class="back-to-top" href="#top">↑ Back to top.</a></div>
     </footer>
 

layouts/partials/page/footer.html

@@ -1,6 +1,6 @@
 <footer>
   <div id="row">
-    <div id="copyright">Content licensed under <a class="no-underline" href="{{ .Site.Params.licenseURL }}" {{ with .Site.Params.licenseFull }} title="{{ . }}" {{ end }}target="_blank" rel="noopener">{{ .Site.Params.license }}</a>, {{ with .Site.Params.copyrightFirstYear }}<a class="no-underline" href="{{ "previously/" | absURL }}" title="Previously on...">{{ . }} &ndash;</a>{{ end }} {{ now.Format "2006" }}.</div>
+    <div id="copyright">Content <a class="no-underline" href="{{ "license/" | absURL }}"{{ with .Site.Params.licenseFull }} title="{{ . }}"{{ end }}>licensed under {{ .Site.Params.license }}</a>, {{ with .Site.Params.copyrightFirstYear }}<a class="no-underline" href="{{ "previously/" | absURL }}" title="Previously on...">{{ . }} &ndash;</a>{{ end }} {{ now.Format "2006" }}.</div>
 
     <div id="panda"><a class="no-underline" href="https://nationalzoo.si.edu/webcams/panda-cam" title="Live Panda Party!!!11" target="_blank" rel="noopener"><span>&#x1F43C;</span></a></div>
 

layouts/robots.txt

@@ -1,13 +1,14 @@
 User-Agent: *
 {{- if eq hugo.Environment "production" }}
 Allow: /.well-known/amphtml/apikey.pub
+Disallow: /privacy/
+Disallow: /license/
+Disallow: /humans.txt
 Disallow: /403.html
 Disallow: /404.html
-
 Disallow: /y2k/
 Disallow: /candies/
 Disallow: /comp20/
-
 Sitemap: {{ "sitemap.xml" | absURL }}
 {{- else }}
 Disallow: /