Add Doxygen Avesome Extensions

* Dark Mode Toggle

* Fragment Copy Button

* Paragraph Linking

More info:
https://jothepro.github.io/doxygen-awesome-css/md_docs_2extensions.html

Doxyfile

@@ -1412,7 +1412,9 @@ HTML_EXTRA_STYLESHEET  = doc/theme/doxygen-awesome.css
 # files will be copied as-is; there are no commands or markers available.
 # This tag requires that the tag GENERATE_HTML is set to YES.
 
-HTML_EXTRA_FILES       =
+HTML_EXTRA_FILES       = doc/theme/doxygen-awesome-darkmode-toggle.js \
+                         doc/theme/doxygen-awesome-fragment-copy-button.js \
+                         doc/theme/doxygen-awesome-paragraph-link.js
 
 # The HTML_COLORSTYLE tag can be used to specify if the generated HTML output
 # should be rendered with a dark or light theme.

doc/download-theme.sh

@@ -10,7 +10,10 @@ VERSION=v2.2.1
 
 mkdir -p ${p}/theme
 
-for f in doxygen-awesome.css
+for f in doxygen-awesome.css \
+         doxygen-awesome-darkmode-toggle.js \
+         doxygen-awesome-fragment-copy-button.js \
+         doxygen-awesome-paragraph-link.js
 do
   curl -fsS -o ${p}/theme/${f} https://raw.githubusercontent.com/jothepro/doxygen-awesome-css/${VERSION}/${f}
 done

doc/header.html

@@ -20,6 +20,14 @@
 $search
 $mathjax
 $darkmode
+<script type="text/javascript" src="$relpath^doxygen-awesome-darkmode-toggle.js"></script>
+<script type="text/javascript" src="$relpath^doxygen-awesome-fragment-copy-button.js"></script>
+<script type="text/javascript" src="$relpath^doxygen-awesome-paragraph-link.js"></script>
+<script type="text/javascript">
+  DoxygenAwesomeDarkModeToggle.init()
+  DoxygenAwesomeFragmentCopyButton.init()
+  DoxygenAwesomeParagraphLink.init()
+</script>
 <link href="$relpath^$stylesheet" rel="stylesheet" type="text/css" />
 $extrastylesheet
 </head>