New tool manuals added

More tool manuals for the following brands were added over the past couple of days:

- Craftsman: 5 saw manuals
- Gemini Saw Company: 1 saw manual
- Makita: 1 grinder manual, 1 saw manual
- Ryobi: 1 drill manual, 1 drill parts list, 1 heat gun manual, 1 heat gun parts list, 2 level manuals, 3 saw manuals, 1 saw parts list
- Triton: 1 jointer manual, 1 jointer parts list