Add description to monitor

[jcvincenti]

• Add description to monitor model
• Add description field to database
• Add english and spanish translation for description
• Closes: Add a Description to Monitor on Status Page #482

Description

Fixes #(issue)

Type of change

Please delete options that are not relevant.

• Bug fix (non-breaking change which fixes an issue)
• User Interface
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Translation update
• Other
• This change requires a documentation update

Checklist

• My code follows the style guidelines of this project
• I ran ESLint and other linters for modified files
• I have performed a self-review of my own code and test it
• I have commented my code, particularly in hard-to-understand areas
• My changes generate no new warnings
• My code needed automated testing. I have added them (this is optional task)

Screenshots (if any)

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[chakflying]

Tested backup and restore also works fine. But the Info icon shows even if there is no description. I'm also not sure if that icon fits the current design very well.

[jcvincenti]

@chakflying I have just added the conditional rendering to both the paragraph and the icon.
The info icon I'm using is from fontawesome, like the others. Maybe I can modify the color of the button to either gray (like the "Edit" button) or green (like the "Add new monitor" button). What do you think? Do you have any other button style in mind?

[Saibamen]

@louislam ping

[github-actions]

We are clearing up our old Pull Requests and yours has been open for 3 months with no activity. Remove stale label or comment or this will be closed in 2 days.

[Saibamen]

We want our tests to have ESLINT!