Updated `README.md`install instruction (#7)

Correct docker build instruction, to reflect the new Dockerfile location

README: Add links to alternative install methods

Move docker-specific work into its own directory

Add a Dockerfile for super-speedy CTSS builds, and telnet2docker.sh for config-less Eliza compilation

New upstream versions of emulator packages

New upstream ctss-kit 1.0.10

RECONSTRUCTION-CARD.md: Added link to "CTSS Reconstruction Summary" by Dave Pitts

Added the ability to export a virtual tape of Eliza source

Added alternative SLIP library build using assembly language files

Synchronised SLIP-duplicates typo fixes from elizagen.org repo

New upstream ctss-kit 1.0.9

New upstream ctss-kit 1.0.8

Fix typos

HACKING.md: corrected description of shutdown procedure