Add new complete example for simple curve query on a TekSeriesScopes

[nlynchjo]

Adds new script simple_curve_query.py Adds new README for simple_curve_query.py Adds CurveQueryExample Directory Link to the TekSeriesScopes README

Pull Request Checklist

Please review the Contribution Guidelines before submitting.

• [x] Pulling against the master branch (left side).
• [ ] You have previously submitted a Contributor License Agreement or have contacted a maintainer to request one.

Type (Select only one)

• [ ] Bug fix
• [x] Working example
• [ ] In-progress example (need Tektronix help)
• [ ] In-progress example (does not need Tektronix help)

[lgtm-com[bot]]

This pull request introduces 2 alerts when merging c326bb992056f9e9f3120871b1e957742fb81592 into 824b2999983d12e7b39125f44a57dcc89d3af8c4 - view on LGTM.com

new alerts:

• 2 for Unused import