[iOS] install ios-deploy in correct way & add missing CocoaPods tools…

[mosabab]

[iOS] install ios-deploy in correct way & add missing information regarding CocoaPods tools that needed to build iOS apps.

Platforms affected

iOS

Motivation and Context

• How to install ios-deploy tool in correct way.
• Add missing information about CocoaPods tools that needed to build iOS apps.

Description

Testing

Checklist

• I've run the tests to see all new and existing tests pass
• I added automated test coverage as appropriate for this change
• Commit is prefixed with (platform) if this change only applies to one platform (e.g. (android))
• If this Pull Request resolves an issue, I linked to the issue in the text above (and used the correct keyword to close issues using keywords)
• I've updated the documentation if necessary

[breautek]

I think this PR should be actually two separate PRs.

One change for the CocoaPods update, the other for the ios-deploy update. Otherwise I think they are good.

[mosabab]

I think this PR should be actually two separate PRs.

One change for the CocoaPods update, the other for the ios-deploy update. Otherwise I think they are good.

I was close the 2 separated PRs in the following:
#1095
#1102

This PR merge the 2.

Feel free to reopen the closed 2 PRs. And close this one. what do you think ?

[breautek]

#1095 appears to be a copy of this one?

https://github.com/apache/cordova-docs/pull/1102/files looks good as is, I'll reopen that one.

edit: err I can't reopen the PR because the remote has been deleted.

[mosabab]

#1095 appears to be a copy of this one?

https://github.com/apache/cordova-docs/pull/1102/files looks good as is, I'll reopen that one.

edit: err I can't reopen the PR because the remote has been deleted.

I will make new 2 separated PR for this .

[mosabab]

Close this one.

And open 2 new separated PR:
#1104
#1105