Add basic monitoring

[pankajastro]

closes: https://github.com/astronomer/ask-astro/issues/39

an example post success and fail service status

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[pankajastro]

• On a regular basis we can post the status on slack.
• We should run the DAGs like very 10 minutes or so and check if anything is down if it is we should post a status on Slack (and maybe email folks).

As per the current state of PR, it would post on Slack and we can add an env variable for schedule intervals for example */10 * * * *

[sunank200]

• On a regular basis we can post the status on slack.
• We should run the DAGs like very 10 minutes or so and check if anything is down if it is we should post a status on Slack (and maybe email folks).

As per the current state of PR, it would post on Slack and we can add an env variable for schedule intervals for example */10 * * * *

As discussed in call:

• This schedule should be fine:
• We should post on Slack once a day regardless.
• We should only post during the day immediately if anything breaks or fails.

[pankajastro]

@sunank200 I have tested this you can check the sample message in the PR description

[pankajastro]

@jedcunningham requesting your feedback on this!