2.11.0

Updates:

• ⚠️ Drop support for Python 3.5 and 3.6
• Enable dollar-style $...$ inline math tags in preparation for #54.
  • ⚠️ Inline math tags using escaped parentheses \\(...)\\ are deprecated and will be removed in v3.0. Recommend changing to dollar-style.
• Add version_info tuple
• Add generate_source_links to cfg_schema for PeakRDL TOML config.