12 vacuum manuals added

12 more vacuum owner's manuals and parts lists were added recently:

- Craftsman: 1 vacuum manual
- iRobot: 1 vacuum manual
- Metro: 2 vacuum manuals
- Numatic: 1 vacuum manual
- ProTeam: 3 vacuum manuals, 1 vacuum parts list
- Ridgid: 1 vacuum manual
- Ryobi: 1 vacuum manual
- Shop-Vac: 1 vacuum parts list