feat: Add SLAB allocator, Ramdisk, Kernel Namespaces, Event Tracing, NetFilter Firewall, 8-Bit Melodies, and Shell Scripting (sh)

include/userland/sh.h

@@ -0,0 +1,9 @@
+#ifndef _USERLAND_SH_H
+#define _USERLAND_SH_H
+
+int sh_main(int argc, char** argv);
+int sh_execute_script(const char* filepath);
+const char* sh_get_env(const char* key);
+int sh_set_env(const char* key, const char* value);
+
+#endif // _USERLAND_SH_H