refactor(glossaire): componentize glossary entry page

src/components/GlossaryEntryLegacyNote.astro

@@ -0,0 +1,31 @@
+---
+interface Props {
+  canonicalHref: string;
+  term: string;
+}
+
+const { canonicalHref, term } = Astro.props;
+---
+
+<p class="glossary-legacy-note">
+  Cette entrée a été renommée. L’intitulé canonique est :
+  <a href={canonicalHref}>{term}</a>.
+</p>
+
+<style>
+  .glossary-legacy-note{
+    padding: 10px 12px;
+    border: 1px solid rgba(127,127,127,0.22);
+    border-radius: 12px;
+    background: rgba(127,127,127,0.05);
+    font-size: 14px;
+    line-height: 1.45;
+    margin-bottom: 18px;
+  }
+
+  @media (prefers-color-scheme: dark){
+    .glossary-legacy-note{
+      background: rgba(255,255,255,0.04);
+    }
+  }
+</style>