10 more vacuum cleaner manuals added

10 more vacuum cleaner manuals and parts lists have been added recently:

- Dustless Technologies: 1 vacuum cleaner manual
- Eureka: 1 vacuum cleaner manual
- Morphy Richards: 1 vacuum cleaner manual
- Shark: 4 vacuum cleaner manuals
- Shop-Vac: 2 vacuum cleaner parts lists
- Stihl: 1 vacuum cleaner manual