[Feat]: help initial steps to use appium

[KazuCocoa]

Is your feature request related to a problem? Please describe.

e.g. when a new user wants to achieve appium automation.

npm install -g appium
appium driver install uiautomator2
appium doctor run driver (if necessary)
appium

The appium driver install uiautomator2 part is one extra step from appium v1. In case a user want to use xcuitest driver, appium driver install xcuitest will be added. Perhaps... could we define a command like appium init or appium setup then appium command can ask users to use which driver they want etc, and appium command takes care of these installations behind that..?

This is just to reduce reading  https://appium.io/docs/en/latest/quickstart after npm install -g appium for beginners. Just an idea.

Describe the solution you'd like
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For advanced usage, we could guide users to check documentation etc, so this is if we could help beginners to use Appium as their first step.

Describe alternatives you've considered
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Additional context
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[KazuCocoa]

appium setup-standard is another naming idea.

Perhaps... we could offer drivers:

• uia2
• xcuitest

and plugins..

• images

Perhaps sufficient...?

[KazuCocoa]

let me grab this up

[KazuCocoa]

#20102 is this idea (still wip)

[KazuCocoa]

Created #20102 for this ticket.

• appium setup
• appium setup all

then it installs multiple drivers/plugins. We can add more code in the future to reduce user setup.
As future work, possibly it could also be nice to run doctor command as part of this setup as well? Just an idea.

[KazuCocoa]

I wondered if appium setup reset could do #17348, which start removing APPIUM_HOME and install packages. Current doctor is appium driver doctor so maybe setup could include such a cleaning task

[KazuCocoa]

Done the initial implementation

[jlipps]

Yeha I like a reset idea too