Kintree

Maintenance Release
- Fixes 116: corrected supplier URL for Element14 companies
- Fixes empty KiCad symbol name when disabling IPN auto-generation
- Template fix
- Dependencies update

:warning: Last release with support for KiCad V6

Maintenance Update
- Fixes 112 (regression bug, introduced in `0.6.4`)
- Fixes 113 and a "New InvenTree Part" detection bug
- Fixes crash when no Farnell/Newark/Element14 store is selected and display a blank selection instead (ref: [this thread](https://forum.kicad.info/t/ki-ntree-fast-part-creation-in-kicad-and-inventree/24300/40))
- Fixed error message when Farnell/Newark/Element14 supplier search fails:


- Added overwrite of manufacturer name with matching database entry (partial ratio) per feedback from Kedarius in [this thread](https://forum.kicad.info/t/ki-ntree-fast-part-creation-in-kicad-and-inventree/24300/40)
- Updates to README

Maintenance Update
- Integrated Element14 Product Search API for following suppliers: Farnell (Europe), Newark (North America) and Element14 (Asia-Pacific)
- Added configuration setting to disable auto-creation of internal part numbers (see `internal_part_number.yaml`->`IPN_ENABLE_CREATE` boolean, default=`True`)
- Updated README:
- Added [`Advanced Configuration`](https://github.com/sparkmicro/Ki-nTree#advanced-configuration) section
- Added Element14 API information

Update triggered by feedback from `Kedarius` in [KiCad's forum thread](https://forum.kicad.info/t/ki-ntree-fast-part-creation-in-kicad-and-inventree/24300).

Maintenance Release

Added nested supplier settings


Added LCSC settings window to expose API URL


Default URL is the one Polsaker found in 108 :partying_face: