23 vacuum manuals added

23 more vacuum cleaner manuals have been added recently:

- Clarke: 6 vacuum cleaner manuals
- Eureka: 2 vacuum cleaner manuals, 1 vacuum cleaner quick start guide
- Husky: 2 central vacuum system manuals
- Samsung: 1 vacuum cleaner manual
- Shark: 2 vacuum cleaner manuals
- Shop-Vac: 3 vacuum cleaner manuals, 4 vacuum cleaner parts lists
- Stinger: 1 vacuum cleaner manual
- Tennant: 1 vacuum cleaner manual