AUTH SERVER

- set CMAke project

- add Drogon submodule

- add json and Catch2 submodule

- add health check endpoint

-RAII SqliteDb

- Verify DB and HTTP some work

tests/smoke_test.cpp

@@ -0,0 +1,6 @@
+#include <catch2/catch_test_macros.hpp>
+
+TEST_CASE("smoke test")
+{
+    REQUIRE(1 + 1 == 2);
+}