kernel32.bin is now written in C, make necessary modifications to Makefile, .gitignore, boot32.asm, etc to get this working

Makefile

@@ -1,4 +1,8 @@
-disk.img: boot.sector kernel.bin hello.bin print.bin hello.txt boot32.bin
+
+CFLAGS = -m32 -nostdlib -fno-builtin -fno-exceptions -fno-leading-underscore -fno-pie
+LDFLAGS = 
+
+disk.img: boot.sector kernel.bin hello.bin print.bin hello.txt boot32.bin kernel32.bin
 	dd if=/dev/zero of=disk.img count=43 bs=100k
 	dd if=boot.sector of=disk.img conv=notrunc
 	mount disk.img img.d
@@ -20,4 +24,10 @@ print.bin: print.asm
 	nasm $< -o $@
 
 boot32.bin: boot32.asm
-	nasm $< -o $@
+	nasm $< -o $@
+
+kernel32.bin: kernel32.ld kernel32.o
+	ld $(LDFLAGS) -T $< -o $@ kernel32.o
+
+kernel32.o: kernel32.c
+	gcc $(CFLAGS) -o $@ -c $<