kernel: Implemented various features

+ lapic: Start implementation
+ ioapic: Start implementation
+ apic: Now properly working
+ madt: Start implementation
+ pit: Start implementation
+ smp: Start implementation (only grabs the bootstrap processor's LAPIC ID)

kernel/src/arch/x86_64/smp.c

@@ -0,0 +1,17 @@
+/*
+ *  The Soaplin Kernel
+ *  Copyright (C) 2025 The SILD Project
+ *
+ *  smp.c - x86_64 Symetric Multiprocessing implementation
+ */
+
+#include <boot/limine.h>
+#include <deps/limine.h>
+#include <stdint.h>
+
+uint32_t bootstrap_lapic_id;
+
+void cpu_init_smp() {
+    struct limine_mp_response *smp = limine_get_smp();
+    bootstrap_lapic_id = smp->bsp_lapic_id;
+}