message: Add commands declared by \DeclareMathOperator and any \newcommand* & co to instellisense
diff: @@ -79,7 +79,7 @@ export class CommandFinder {
  cmds.push(cmd)
  cmdList.push(node.name)
  }
  - if (['newcommand', 'renewcommand', 'providecommand', 'DeclarePairedDelimiter', 'DeclarePairedDelimiterX', 'DeclarePairedDelimiterXPP'].includes(node.name) &&
  + if (['newcommand', 'renewcommand', 'providecommand', 'DeclareMathOperator', 'DeclarePairedDelimiter', 'DeclarePairedDelimiterX', 'DeclarePairedDelimiterXPP'].includes(node.name.replace(/\*$/, '')) &&
  Array.isArray(node.args) && node.args.length > 0) {
  const label = (node.args[0].content[0] as latexParser.Command).name
  let args = ''
  @@ -190,7 +190,7 @@ export class CommandFinder {
  cmdList.push(result[1])
  }
  - const newCommandReg = /\\(?:(?:(?:re|provide)?(?:new)?command)|(?:DeclarePairedDelimiter(?:X|XPP)?))(?:{)?\\(\w+)/g
  + const newCommandReg = /\\(?:(?:(?:re|provide)?(?:new)?command)|(?:DeclarePairedDelimiter(?:X|XPP)?)|DeclareMathOperator)\*?(?:{)?\\(\w+)/g
  while (true) {
  const result = newCommandReg.exec(content)
  if (result === null) {
  