fix: add preview as a namespace

preview/finely-crafted-cv/0.1.0/src/state.typ

@@ -0,0 +1,12 @@
+#let __settings = state("__cv_settings", (:))
+
+#let __set(key, value) = {
+  __settings.update(st => {
+    st.insert(key, value)
+    st
+  })
+}
+
+#let __get(key) = {
+  __settings.final().at(key, default: none)
+}