PR into master from dev/olga/Add-the-ability-to-disable-Markdown-rules

[OlgaRedozubova]

branch: dev/olga/Add-the-ability-to-disable-Markdown-rules

Fixes: 9474

• Added options to enable render rules renderOptions.
• Set version 1.3.6
• Updated README

By default, or set all renderOptions to true (all rendering rules are available):

renderOptions: {
  enable_markdown: true,
  enable_latex: true,
  enable_markdown_mmd_extensions: true,
}

Disable markdown rules. (This will also disable enable_markdown_mmd_extensions):

renderOptions: {
  enable_markdown: false
}

Disable markdown_mmd_extensions rules. (This will disable only <smiles>...</smiles>, <ascii>...</ascii>, mathML):

renderOptions: {
  enable_markdown_mmd_extensions: false
}

Disable latex rules. (This will disable only latex and math rules):

renderOptions: {
  enable_latex: false
}

Disable all rules.

renderOptions: {
  enable_markdown: false,
  enable_latex: false
}