Adds options helper function for DTE, updates SDK trail map to not use yFinance.

[deeleeramone]

Adds a new helper function in openbb_terminal/stocks/options/op_helpers.py for appending the chain DataFrame with a column for DTE.

This PR updates the SDK so that:

• openbb_terminal.stocks.options.op_helpers is a valid SDK path.
• the mapping for openbb.stocks.options.DTE to come from the op_helpers.

The docstring has been updated:

In [1]: from openbb_terminal.sdk import openbb

In [2]: openbb.stocks.options.dte?
Signature:      openbb.stocks.options.dte(chain: pandas.core.frame.DataFrame) -> pandas.core.frame.DataFrame
Call signature: openbb.stocks.options.dte(*args: Any, **kwargs: Any) -> Any
Type:           get_dte
String form:    <openbb_terminal.stocks.options.op_helpers.Operation object at 0x104e871c0>
File:           ~/GitHub/OpenBBTerminal/openbb_terminal/stocks/options/op_helpers.py
Docstring:     
Returns a new column containing the DTE as an integer, including 0.
Requires the chain to have the column labeled as, expiration.

It works with all sources, relying on there being a called called: expiration.

[codecov]

Codecov Report

Patch coverage: 26.35% and project coverage change: -0.19 ⚠️

Comparison is base (df9a154) 58.29% compared to head (9c74623) 58.10%.

❗ Current head 9c74623 differs from pull request most recent head 25c044c. Consider uploading reports for the commit 25c044c to get more accurate results

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #4937      +/-   ##
===========================================
- Coverage    58.29%   58.10%   -0.19%     
===========================================
  Files          588      588              
  Lines        53666    53716      +50     
===========================================
- Hits         31283    31214      -69     
- Misses       22383    22502     +119     

Impacted Files	Coverage Δ
...inal/core/sdk/controllers/crypto_sdk_controller.py	0.00% <ø> (ø)
...inal/core/sdk/controllers/stocks_sdk_controller.py	0.00% <ø> (ø)
...penbb_terminal/core/sdk/models/crypto_sdk_model.py	0.00% <0.00%> (ø)
...bb_terminal/core/sdk/models/portfolio_sdk_model.py	0.00% <0.00%> (ø)
...penbb_terminal/core/sdk/models/stocks_sdk_model.py	0.00% <0.00%> (ø)
openbb_terminal/core/sdk/sdk_helpers.py	36.92% <ø> (ø)
openbb_terminal/core/sdk/sdk_init.py	92.75% <ø> (ø)
openbb_terminal/core/sdk/trailmap.py	92.68% <ø> (ø)
openbb_terminal/dashboards/stream/Forecasting.py	0.00% <0.00%> (ø)
...bb_terminal/dashboards/stream/streamlit_helpers.py	0.00% <0.00%> (ø)
... and 17 more

... and 1 file with indirect coverage changes

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[jmaslek]

No need for this logger. Will pollute with unhelpful START END messaged