Ver 1.1.0

Successful emulation of the first extension. (Zicfiss)

What's Changed

• Enable CDE bit in henvcfg by @Alignof in #50
• Ziicfiss emulation by @Alignof in #51
• Fix rust toolchain version by @Alignof in #52
• Improve ZICFISS_DATA initialization by @Alignof in #53
• Enforce doc comments by @Alignof in #54
• Change hypervisor CSR struct format by @Alignof in #55
• Support for pci network device by @Alignof in #56
• Ver 1.1.0 by @Alignof in #57

Full Changelog: v1.0.0...v1.1.0