Add tutorial(s)

[florimondmanca]

Is your feature request related to a problem? Please describe.
If I were someone getting started with Bocadillo, I'd be pretty sad seeing that only specific how-to and API guides are available.

Describe the solution you'd like
I'd need a tutorial to take me through building something with Bocadillo, and get a feel for what it has to offer.
Note: this differs from a "quick start" guide that explains what the most important available features are and how to use them.

Describe alternatives you've considered

One possible application could be that of a blog:

• CRUD operations with templates
• Demonstrates routing, templating, forms, error handling
• It would be nice to show an integration with an SQL library, like sqlite3, without spending too much time on it though.

Another option could be a mailer service:

• No database involved, sending emails would be mocked.
• POST endpoint to send an email
• GET endpoint to check service health
• Demonstrates routing, working with JSON, API forms and validation

Yet another option to demonstrate using Bocadillo for async stuff is building a simple web crawler (see Tornado's tutorial).

Additional context
This is a TODO item in the docs. It's high priority because it's hindering getting people (especially beginners) to use the framework.

[bevennyamande]

How can i get started

[florimondmanca]

Hi @bevennyamande , thanks for popping by!

So should I understand you'd be willing to draft a tutorial?
If you've tried Bocadillo out already, would you want to pick up any of the ideas listed in the issue description?

[florimondmanca]

I'm taking on writing the web spider/crawler tutorial. 🕸 New repo: tarantula.