Add additional exceptions for more informative errors

[obervinov]

• if the number of input arguments does not match the template (or if index argument in template body is wrong: {3})

        "post_already_downloaded": {
            "text": "{0} The content of the post <b>{1}</b> has already been downloaded.\n{3} The download was skipped.",
            "args": [":construction:", "post_id", ":boxing_glove:"]
        }

  Traceback (most recent call last):
    File "/home/pyinstabot-downloader/app/src/bot.py", line 521, in <module>
      main()
    File "/home/pyinstabot-downloader/app/src/bot.py", line 517, in main
      telegram.launch_bot()
    File "/home/pyinstabot-downloader/app/.venv/lib/python3.9/site-packages/telegram/telegram.py", line 202, in launch_bot
      self.telegram_bot.polling(
    File "/home/pyinstabot-downloader/app/.venv/lib/python3.9/site-packages/telebot/__init__.py", line 1104, in polling
      self.__threaded_polling(non_stop=non_stop, interval=interval, timeout=timeout, long_polling_timeout=long_polling_timeout,
    File "/home/pyinstabot-downloader/app/.venv/lib/python3.9/site-packages/telebot/__init__.py", line 1179, in __threaded_polling
      raise e
    File "/home/pyinstabot-downloader/app/.venv/lib/python3.9/site-packages/telebot/__init__.py", line 1141, in __threaded_polling
      self.worker_pool.raise_exceptions()
    File "/home/pyinstabot-downloader/app/.venv/lib/python3.9/site-packages/telebot/util.py", line 149, in raise_exceptions
      raise self.exception_info
    File "/home/pyinstabot-downloader/app/.venv/lib/python3.9/site-packages/telebot/util.py", line 92, in run
      task(*args, **kwargs)
    File "/home/pyinstabot-downloader/app/src/bot.py", line 329, in process_one_post
      telegram.send_styled_message(
    File "/home/pyinstabot-downloader/app/.venv/lib/python3.9/site-packages/telegram/telegram.py", line 171, in send_styled_message
      text=self.messages.render_template(
    File "/home/pyinstabot-downloader/app/.venv/lib/python3.9/site-packages/messages/messages.py", line 91, in render_template
      return template['text'].format(*arguments)
  IndexError: Replacement index 3 out of range for positional args tuple