chore: add PaperMod theme files

themes/PaperMod/layouts/_partials/anchored_headings.html

@@ -0,0 +1,6 @@
+{{- /* formats .Content headings by adding an anchor */ -}}
+{{ . | replaceRE
+    "(<h[1-6] id=\"([^\"]+)\".+)(</h[1-6]+>)"
+    "${1}<a hidden class=\"anchor\" aria-hidden=\"true\" href=\"#${2}\">#</a>${3}"
+    | safeHTML 
+}}