Improve item filter

[GeorgH93]

Description:

It should be possible to filter items that should not be possible to put in the backpack by name, lore or nbt tag.

Implementation:

• [x] Filter by name
  • [x] Config option
  • [x] Detection and blocking
• [x] Filter by lore
  • [x] Config option
  • [x] Detection and blocking
• [ ] Filter by nbt tag
  • [ ] Config option
  • [ ] Detection and blocking
• [ ] Extended filtering (filter by multiple attributes at the same time)
  • [ ] Config option
  • [ ] Detection and blocking

[GeorgH93]

Starting with this build, filter by name and lore is available. More filter rules will be implemented at a later time (probably v2.4 or v2.5).