New icon set

[yceballost]

Include new default set for skins

Tasks

• Pairing Tabler with current set
• Categorize icons
• Regular icons
• Light icons
• Filled icons
• Border weight tests
• Editable file for administration
• Expanded file for Brand Factory upload
• Expanded icons for Mística icons
• Include in Mística icons
  - Use instances from brand libraries in mistica icons
• Include categories in Mistica icons flow (including web)
• New, merge, remove icons changelog