🔥 Remove the match and pattern example modules

They were the template's demo API, not the library's real surface. Drop
them, their README walkthrough, and the tooling note that cited their
disable directives, and point index.ts at the primitive matchers that
remain.

src/index.ts

@@ -1,2 +1,6 @@
-export { match, P } from "./match.ts";
-export type { Matcher, Pattern } from "./pattern.ts";
+export {
+    getPrimitiveUnionMatcher,
+    getPrimitiveUnionMatcherPartial,
+    getPrimitiveUnionMatcherPartialW,
+    getPrimitiveUnionMatcherW,
+} from "./primitive.ts";