[FEATURE] Continuous status checking

[Lissy93]

Please check the type of change your PR introduces:

• Bugfix
• Feature

Issue Number (if applicable): #35 and #50

Briefly outline your changes:

• Adds optional option to continuously check site status, Re: [QUESTION] statusCheck refresh ? #35
• Fixed background color in login form, Re: [BUG] basic login page not display correctly on the Material-dark theme #50
• Adds a new Vapourwave theme

Before submitting, please ensure that:

• Must be backwards compatible
• All lint checks and tests must pass
• If a new option in the the config file is added, it needs to be added into the schema, and documented in the configuring guide
• If a new dependency is required, it must be essential, and it must be thoroughly checked out for security or efficiency issues

[vercel]

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