Add sample configs.

Add sample configs for grub.

Scripts/SampleConfigs/grub.cfg

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+# Set the default menu entry to boot
+set default=0
+
+# Set the timeout for the GRUB menu
+set timeout=5
+
+# Set the GRUB background image (optional)
+if loadfont /boot/grub/fonts/unicode.pf2; then
+  insmod gfxterm
+  insmod png
+  set gfxmode=auto
+  set background_image="/boot/grub/background.png"
+  terminal_output gfxterm
+fi
+
+# Define the superuser and plain-text password (for demo purposes only)
+set superusers="admin"
+password admin myplaintextpassword
+
+# Load necessary modules for Linux booting
+insmod gzio
+insmod part_msdos
+insmod ext2
+
+# Specify the path to the main GRUB boot configuration
+set root='hd0,msdos1'
+search --no-floppy --fs-uuid --set=root 1234-5678
+
+# Boot menu entries
+menuentry 'Ubuntu 22.04 LTS' --class ubuntu --class gnu-linux --class os {
+    recordfail
+    load_video
+    gfxmode $linux_gfx_mode
+    insmod gzio
+    insmod part_msdos
+    insmod ext2
+    set root='hd0,msdos1'
+    linux /vmlinuz-5.15.0-30-generic root=UUID=1234-5678 ro quiet splash
+    initrd /initrd.img-5.15.0-30-generic
+}
+
+# Protected entry for recovery mode (requires superuser password)
+menuentry 'Ubuntu 22.04 LTS (Recovery Mode)' --class ubuntu --class gnu-linux --class os --unrestricted {
+    recordfail
+    load_video
+    gfxmode $linux_gfx_mode
+    insmod gzio
+    insmod part_msdos
+    insmod ext2
+    set root='hd0,msdos1'
+    linux /vmlinuz-5.15.0-30-generic root=UUID=1234-5678 ro recovery nomodeset
+    initrd /initrd.img-5.15.0-30-generic
+}
+
+# Additional entry for Windows booting (if dual-booted)
+menuentry 'Windows 10' --class windows --class os {
+    insmod part_msdos
+    insmod ntfs
+    set root='hd0,msdos2'
+    chainloader +1
+}
+
+# Boot to GRUB command line (restricted access, requires superuser password)
+menuentry 'GRUB Command Line' --class cmdline --unrestricted {
+    insmod all_video
+    terminal_input console
+    terminal_output console
+}

Scripts/SampleConfigs/grub.conf

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+# Set the default menu entry to boot
+set default=0
+
+# Set the timeout for the GRUB menu
+set timeout=5
+
+# Set the GRUB background image (optional)
+if loadfont /boot/grub/fonts/unicode.pf2; then
+  insmod gfxterm
+  insmod png
+  set gfxmode=auto
+  set background_image="/boot/grub/background.png"
+  terminal_output gfxterm
+fi
+
+# Define the superuser and plain-text password (for demo purposes only)
+set superusers="admin"
+password admin myplaintextpassword
+
+# Load necessary modules for Linux booting
+insmod gzio
+insmod part_msdos
+insmod ext2
+
+# Specify the path to the main GRUB boot configuration
+set root='hd0,msdos1'
+search --no-floppy --fs-uuid --set=root 1234-5678
+
+# Boot menu entries
+menuentry 'Ubuntu 22.04 LTS' --class ubuntu --class gnu-linux --class os {
+    recordfail
+    load_video
+    gfxmode $linux_gfx_mode
+    insmod gzio
+    insmod part_msdos
+    insmod ext2
+    set root='hd0,msdos1'
+    linux /vmlinuz-5.15.0-30-generic root=UUID=1234-5678 ro quiet splash
+    initrd /initrd.img-5.15.0-30-generic
+}
+
+# Protected entry for recovery mode (requires superuser password)
+menuentry 'Ubuntu 22.04 LTS (Recovery Mode)' --class ubuntu --class gnu-linux --class os --unrestricted {
+    recordfail
+    load_video
+    gfxmode $linux_gfx_mode
+    insmod gzio
+    insmod part_msdos
+    insmod ext2
+    set root='hd0,msdos1'
+    linux /vmlinuz-5.15.0-30-generic root=UUID=1234-5678 ro recovery nomodeset
+    initrd /initrd.img-5.15.0-30-generic
+}
+
+# Additional entry for Windows booting (if dual-booted)
+menuentry 'Windows 10' --class windows --class os {
+    insmod part_msdos
+    insmod ntfs
+    set root='hd0,msdos2'
+    chainloader +1
+}
+
+# Boot to GRUB command line (restricted access, requires superuser password)
+menuentry 'GRUB Command Line' --class cmdline --unrestricted {
+    insmod all_video
+    terminal_input console
+    terminal_output console
+}