Implemented Fastify server for performance enhancements.

[7Silva]

Hello Vanilla-OS team,

In this pull request, I implemented Fastify and removed Express. I made this change because Fastify is much more optimized for requests than Express. Below, I will leave some benchmark screenshots, but you can also see others and do your own tests. The main changes include:

• Removal of Express: Express was removed as the web server.
• Addition of Fastify as the web server: Fastify was added as a faster and more efficient web server compared to Express.

I did not change any logic behind the system, I just made this replacement and added some very useful options to Fastify, such as:

• RateLimit: Limits the number of requests per minute. (Maximum of 100 requests per minute)
• Cors: Allows requests from different origins.
• Helmet: Adds important security headers to the server.

I created an index file that already creates the Chronos file and th en starts the server. I thought about doing a check in the index to see if there is an existing Chronos configuration and, if there is, not to generate it again. However, I don't know if this would be useful for you, so I decided not to do it.

Overall, these are the changes that were made. I hope they are useful and I look forward to your feedback.

Express Server:

Fastify Server:

[mirkobrombin]

Somehow this issue escaped from my radar. I'll take a look at it asap.

[mirkobrombin]

Looks good to me, need to be updated, I can take care of it.

[kbdharun]

Looks good to me, need to be updated, I can take care of it.

Fixed the failing build (the package files weren't in sync, updated it with npm install and tested the changes locally). Rebase and merge seem to be blocked (can we use Squash & merge here @mirkobrombin? Or is there any other changes that you want to implement?)

[mirkobrombin]

Squash and merge is fine