add intercept and target variable to MMM component example

[wd60622]

Description

Add intercept and target with noise in order to put into context with a larger regression problem

Related Issue

• Closes #
• Related to #

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--850.org.readthedocs.build/en/850/

[review-notebook-app]

Check out this pull request on 

See visual diffs & provide feedback on Jupyter Notebooks.

---

Powered by ReviewNB

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 94.40%. Comparing base (7a8b627) to head (2c3b2f1).
Report is 201 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #850   +/-   ##
=======================================
  Coverage   94.40%   94.40%           
=======================================
  Files          33       33           
  Lines        3288     3288           
=======================================
  Hits         3104     3104           
  Misses        184      184           

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

[juanitorduz]

Nice addition!