Mention Scheme in README, add instructions
Mention Scheme in README, add instructions

foresterre/mal,foresterre/mal,foresterre/mal,foresterre/mal,foresterre/mal,foresterre/mal,foresterre/mal,foresterre/mal,foresterre/mal,foresterre/mal,foresterre/mal,foresterre/mal,foresterre/mal,foresterre/mal,foresterre/mal,foresterre/mal,foresterre/mal