Todo features list

• readme
• split part1 / part2 into separate folders
• choose which files to commit
• option to edit the commit message
• organize cache into dot syntax . => a.b.c
• fix cache, when only one answer is provided
• better demo fetching, (11/24)
• run second part right away after completing the first part
• remember last played, auto-select next one, or same if not achieved both stars