feat(docs): version badge v0.1 in header right corner (manual bump on changes)

docs/30_registry/assets/extra.css

@@ -37,8 +37,7 @@
   text-decoration-thickness: 2px;
 }
 
-/* Keep horizontal scrollbars visible for wide tables */
-.md-typeset__scrollwrap {
+/* Keep horizontal scrollbars visible for wide tables */.md-typeset__scrollwrap {
   overflow-x: auto;
   padding-bottom: 0.3rem;
 }
@@ -259,6 +258,30 @@
   text-align: center;
 }
 
+/* ---- Version badge in header (right corner) ---- */
+.md-version-badge {
+  display: inline-flex;
+  align-items: center;
+  align-self: center;
+  margin-left: 0.4rem;
+  padding: 0.05rem 0.55rem;
+  font-size: 0.68rem;
+  font-weight: 700;
+  letter-spacing: 0.02em;
+  line-height: 1.5;
+  white-space: nowrap;
+  color: var(--md-default-bg-color);
+  background: rgba(255, 255, 255, 0.16);
+  border: 1px solid rgba(255, 255, 255, 0.4);
+  border-radius: 2rem;
+  cursor: default;
+}
+@media screen and (max-width: 44.9375em) {
+  .md-version-badge {
+    display: none;
+  }
+}
+
 .md-typeset .resource-table-nested th:nth-child(6),
 .md-typeset .resource-table-nested td:nth-child(6) {
   width: 37%;