Release version `0.11.1`

[phil-opp]

Features

• Load ramdisk feature
• Support higher half position independent kernels
• New set_boot_config method to configure the boot process (frame buffer dimensions and log output). This is the result of a set of PRs:
  • Log level feature
  • Improve Logging
  • Add support for a configuration file
  • Fix loading of boot configuration
  • Minor improvements to BootConfig
• Add bios and uefi cargo features
• Boot Info: Add a FrameBuffer::into_buffer method for taking ownership
• Simplified disk builder

Fixes

• Correctly allocate last frame in memory descriptor
• Correctness fixes for stage2
• Fix: treat kernel_slice_end as an exclusive bound when checking for overlaps
• Map BIOS stage-4 at lower address to avoid conflicts with the kernel
• Create kernel stack with correct size and set up a guard page

Other improvements

• Implement faster bios builds
• Remove dependency on time crate
• Fix warnings from Clippy
• Make a link in the documentation clickable
• Fix spelling and add a check
• Run cargo update