improve Copyright and CC

The inc/footer.default.html now has a common Copyright and CC BY-SA
4.0 License section for all generated HTML files.

All markdown files have a similar Copyright and CC
at the bottom in the form of an HTML comment.

faq.html

@@ -2296,6 +2296,19 @@ has the merge. To do this from the command line, assuming the fork in the above
 example, you would type:</p>
 <div class="sourceCode" id="cb116"><pre class="sourceCode sh"><code class="sourceCode bash"><span id="cb116-1"><a href="#cb116-1" aria-hidden="true" tabindex="-1"></a><span class="fu">git</span> checkout master <span class="kw">&amp;&amp;</span> <span class="fu">git</span> pull https://github.com/ioccc-src/temp-test-ioccc.git master <span class="kw">&amp;&amp;</span> <span class="fu">git</span> push origin master</span></code></pre></div>
 <p>This will merge your pull request to your fork.</p>
+<!--
+
+    Copyright © 1984-2024 by Landon Curt Noll. All Rights Reserved.
+
+    You are free to share and adapt this file under the terms of this license:
+
+    Creative Commons Attribution-ShareAlike 4.0 International (CC BY-SA 4.0)
+
+    For more information, see:
+
+    https://creativecommons.org/licenses/by-sa/4.0/
+
+-->
 
 <!-- END: this line ends content for HTML phase 21 by: bin/pandoc-wrapper.sh via bin/md2html.sh -->
 <!-- START: this line starts content from: inc/after-content.default.html -->
@@ -2313,8 +2326,29 @@ example, you would type:</p>
 <!-- END: this line ends content from: inc/end-row.default.html -->
 <!-- START: this line starts content from: inc/footer.default.html -->
 
+<!--
+
+    Copyright © 1984-2024 by Landon Curt Noll. All Rights Reserved.
+
+    You are free to share and adapt this file under the terms of this license:
+
+	Creative Commons Attribution-ShareAlike 4.0 International (CC BY-SA 4.0)
+
+    For more information, see:
+
+	https://creativecommons.org/licenses/by-sa/4.0/
+
+-->
+
 <div class="footer">
-  <hr>
+  <h2>Copyright and CC BY-SA 4.0 License</h2>
+  <p>This file and web page is:</p>
+  <blockquote><b>Copyright &copy; 1984-2024 by Landon Curt Noll. All Rights Reserved.</b></p></blockquote>
+  <p>You are free to share and adapt this file under the terms of this license:</p>
+  <blockquote><b>Creative Commons Attribution-ShareAlike 4.0 International (CC BY-SA 4.0)</b></blockquote>
+  <p>For more information, see:</p>
+  <blockquote><a
+    href="https://creativecommons.org/licenses/by-sa/4.0/">https://creativecommons.org/licenses/by-sa/4.0/</a></blockquote>
   <h2>Coda</h2>
   <p><a href="https://validator.w3.org/nu/?doc=https%3A%2F%2Fioccc-src.github.io%2Ftemp-test-ioccc%2Flocation.html">Nu HTML check this web page</a></p>
   <p><a href="#top">Jump to top</a> <a href="#content">Jump to Content</a> <a href="#inventory">Jump to Inventory</a></p>