message: Add section shift to command palette
diff: "title": "Show package documentation actually used",
  "category": "LaTeX Workshop"
  },
  + {
  + "command": "latex-workshop.promote-sectioning",
  + "title": "Promote all the section levels used in the selection",
  + "category": "LaTeX Workshop"
  + },
  + {
  + "command": "latex-workshop.demote-sectioning",
  + "title": "Demote all the section levels used in the selection",
  + "category": "LaTeX Workshop"
  + },
  {
  "command": "latex-workshop.showCompilationPanel",
  "title": "Show LaTeX Compilation Info",
  