refactor: Entire code base, thread and log usage

Boils down to:
- Include headers
- Reduce boiler plate with helpers
- Swap out explicit usages with core API layer
  and ensure the right API is configured beforehand

src/main/bsthook/settings.c

@@ -7,10 +7,11 @@
 #include <stdio.h>
 #include <string.h>
 
+#include "core/log.h"
+
 #include "hook/table.h"
 
 #include "util/defs.h"
-#include "util/log.h"
 #include "util/str.h"
 
 /* ------------------------------------------------------------------------- */