Modula-2 compiler V2

Eric Streit e31b63d870 docs/MC4 reorganization: per-project docs/ and MC4/ folders, runners use MC4/ vor 1 Monat
MC4 e31b63d870 docs/MC4 reorganization: per-project docs/ and MC4/ folders, runners use MC4/ vor 1 Monat
docs b37ae599fa m2comp day wrap-up: steps 1-4 session note vor 1 Monat
src a781af2287 m2comp step 4 — MC64 tree-walking backend (41/41 tests green) vor 1 Monat
tests a781af2287 m2comp step 4 — MC64 tree-walking backend (41/41 tests green) vor 1 Monat
M2comp a781af2287 m2comp step 4 — MC64 tree-walking backend (41/41 tests green) vor 1 Monat
build.sh a781af2287 m2comp step 4 — MC64 tree-walking backend (41/41 tests green) vor 1 Monat
run_tests.sh e31b63d870 docs/MC4 reorganization: per-project docs/ and MC4/ folders, runners use MC4/ vor 1 Monat