feat: implement MoloApp plans 01-15 with integration

Full C++23 framework tree: runtime, observability, security,
data, app, realtime, supervisor, clients, CLI, example plus
enterprise tenancy, audit, operability, governance,
supplychain. Postgres via docker compose for tests.

tests/example/routing/views_test.cpp

@@ -0,0 +1,21 @@
+// Route: /routing/views/greet  (class-based view, GET plus POST)
+#include "support/Assert.hpp"
+
+using namespace molo::example::test;
+
+int main() {
+  Fixture f;
+  auto get = f.client->get("/routing/views/greet?name=grace");
+  check(get.status == 200, "GET status 200");
+  check(contains(get.body, "GreetView"), "view dispatched GET");
+  check(contains(get.body, "grace"), "query value used");
+  auto post = f.client->post("/routing/views/greet", "name=ada",
+                             "application/x-www-form-urlencoded");
+  check(post.status == 200, "POST status 200");
+  check(contains(post.body, "\"method\":\"POST\""), "view dispatched POST");
+  auto put = f.client->request(molo::example::fw::Method::Put,
+                               "/routing/views/greet");
+  check(put.status == 404 || put.status == 405,
+        "unregistered method rejected");
+  return finish("routing/views");
+}