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/jbhook2/options.c

@@ -9,7 +9,7 @@
 #include "util/cmdline.h"
 #include "util/defs.h"
 #include "util/hex.h"
-#include "util/log.h"
+
 #include "util/str.h"
 
 void options_init_from_cmdline(struct options *options)