24 auto manuals added

24 more vehicle owner's manuals, guides, and service bulletins have been added recently:

Cadillac:
   - 1 service bulletin

Dodge:
   - 3 owner’s manuals
   - 1 service bulletin

Ford:
   - 1 owner’s manual
   - 1 quick reference guide
   - 1 mobile connectivity guide

Hyundai:
   - 3 owner’s manuals
   - 1 service bulletin

Mazda:
   - 8 owner’s manuals
   - 2 smart start guides
   - 2 quick tips guides