fix: make callout detection case-insensitive (closes #171)

assets/styles/_callouts.scss

@@ -82,6 +82,7 @@ blockquote[class*="-callout"] {
   padding-bottom: 0.25em;
   color: var(--dark);
   background-color: var(--lightgray);
+  border-left: 6px solid var(--primary) !important;
   & > p {
     border-top-right-radius: 5px;
     padding: 0.5em 1em;

content/notes/callouts.md

@@ -14,7 +14,7 @@ See [documentation on supported types and syntax here](https://help.obsidian.md/
 
 ## Showcase
 
-> [!example] Examples
+> [!EXAMPLE] Examples
 >
 > Aliases: example
 

layouts/partials/textprocessing.html

@@ -75,7 +75,7 @@
       {{ else}}
         {{ $inner = $inner | replaceRE `\[!([a-zA-Z]+)\]` `${1}` }}
       {{ end }}
-      {{ $inner = printf "blockquote class=\"%s-callout\"" $inner}}
+      {{ $inner = printf "blockquote class=\"%s-callout\"" $inner | lower}}
       {{ $content = replace $content . $inner 1}}
       {{ $counter1 = add $counter1 1 }}
     {{ else }}