This PR adds support for Markdown in the telegram API for send message. The dashboard uses commonmark syntax for markdown but telegram is using MarkdownV2.
More info - https://core.telegram.org/bots/api#markdownv2-style
Adds support for bold - *bold*, _italic text_, __underline__, ~strikethrough~
Co-authored-by: Sojan Jose <sojan@pepalo.com>