Fix Linux inotify event handling and simplify module events

- Simplify to STK_MOD_LOAD/STK_MOD_UNLOAD event types
- Replace IN_CREATE/IN_MODIFY with IN_CLOSE_WRITE to wait for complete writes
- Update watch flags to IN_CLOSE_WRITE | IN_DELETE | IN_MOVED_TO | IN_MOVED_FROM

include/stk.h

@@ -11,12 +11,7 @@
 extern "C" {
 #endif
 
-typedef enum {
-	STK_FILE_CREATED,
-	STK_FILE_MODIFIED,
-	STK_FILE_DELETED,
-	STK_FILE_RENAMED
-} stk_file_event_t;
+typedef enum { STK_MOD_LOAD, STK_MOD_UNLOAD } stk_module_event_t;
 
 int stk_init(const char *mod_dir);
 int stk_shutdown(void);