Added some more ASM languages and Squirrel.

a/assembler_fasm_dos.asm

@@ -0,0 +1,16 @@
+format MZ
+
+entry .code: start
+
+segment .code
+start:
+	mov ax, .data ; put data segment into ax
+	mov ds, ax    ; there, I setup the DS for you
+	mov dx, msg   ; now I give you the offset in DX. DS:DX now completed.
+	mov ah, 9h
+	int 21h
+	mov ah, 4ch
+	int 21h
+
+segment .data
+	msg db 'Hello World', '$'