:building_construction::art::children_crossing: rework pigeon.scripts

[lstuma]

Specifically rework commands that can be executed.

• Currently there is only one command: python3 -m pigeon create <myApp>

[lstuma]

no longer needed since apps are created differently now like this:

from pigeon import Pigeon

app = Pigeon()

@app.view('/')
def homepage(request):
    return '<h1> Hello World! </h1>'

[lstuma]

need to remove scripts from pigeon

[lstuma]

pigeon.scripts has been removed