docs: reorganize menu and add a link to C coding styles

.gitignore

@@ -31,3 +31,4 @@ bochsrc.bxrc
 *.obj
 *.efi
 *.EFI
+*.fd

boot/intro.txt

@@ -2,3 +2,6 @@ File: Introduction
 
 About: Legacy
 
+
+About: UEFI
+

docs/coding-style.txt

@@ -1,2 +1,12 @@
 File: Coding Style
 
+About: Assembly
+
+Comments:
+
+	TO BE ADDED
+
+
+About: C
+
+For C related stuff please follow these coding guidelines: <https://style.d0p1.eu>

docs/config/Menu.txt

@@ -45,6 +45,8 @@ File: FAQ  (docs/faq.txt)
 
 Group: BootLoader  {
 
+	File: Introduction  (boot/intro.txt)
+
    Group: BootSector  {
 
       File: floppy.asm  (boot/bootsect/floppy.asm)
@@ -55,6 +57,12 @@ Group: BootLoader  {
       File: loader.asm  (boot/loader/loader.asm)
       }  # Group: Loader
 
+   Group: Common {
+
+      File: bios.inc  (boot/common/bios.inc)
+      }  # Group: Common
+
+
    Group: EFI  {
 
       File: bootia32.asm  (boot/efi/bootia32.asm)