Create load_from_idata method

[wd60622]

Description

Add this in so that it can be used to for #833

Related Issue

• Closes #
• Related to Better documentation of save and load methods #834

Checklist

• Checked that the pre-commit linting/style checks pass
• Included tests that prove the fix is effective or that the new feature works
• Added necessary documentation (docstrings and/or example notebooks)
• If you are a pro: each commit corresponds to a relevant logical change

Modules affected

• MMM
• CLV

Type of change

• New feature / enhancement
• Bug fix
• Documentation
• Maintenance
• Other (please specify):

---

📚 Documentation preview 📚: https://pymc-marketing--1211.org.readthedocs.build/en/1211/

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 95.59%. Comparing base (0f68f90) to head (ec0eb39).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1211   +/-   ##
=======================================
  Coverage   95.59%   95.59%           
=======================================
  Files          39       39           
  Lines        4064     4066    +2     
=======================================
+ Hits         3885     3887    +2     
  Misses        179      179           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.