More tool manuals added

More tool manuals were added for the following brands:

- Craftsman: 1 drill attachment manual, 2 drill press manuals, 3 drill manuals
- Duff-Norton: 1 hoist manual, 2 screw actuator manuals
- Kobalt: 1 saw manual, 1 spray gun manual
- Ryobi: 1 air compressor manual, 1 hammer manual