v1.4.0

1. Replace direct call to alexnet with calls to
   imagePretrainedNetwork("alexnet") and expand on the instructions
   around how to change networks.
2. Update most remaining plots that hardcode colors to use SeriesIndex
   colors, except in the function that recreates one of the animations
3. Include Solutions files in InstructorResources
4. Change PracticeProblemSolns.mlx to PracticeProblems.mlx and have
   PracticeProblemsSoln.mlx actually be the solutions.
5. Fix a broken link in the solutions to actually refer to a relative
   solutions file
6. Update the GitHub workflows file for more complete testing and reporting
7. Update the ProjectStartupApp.m
8. Update the project to not start Simulink in the JSD and to only use
   the app and ProjectShutdown.m
9. Update the .gitattributes file with language code names
10. Update .gitignore to standard file
11. Update links to PracticeProblems.mlx in README, MainMenu, and
    README.md
12. Update Open in MATLAB Online links in README.md

v1.3.0

Updates to structure:

• Add project and startup app
• Add support for dark or light theme use
• Add alt-text on images and equations in all the scripts
• Add links to additional modules that may be of interest
• Add basic smoke tests
• Add information about how to contribute to the repository

v1.2.3

Update Onramp links

v1.2.2

This release adds a project structure and includes support for Open in MATLAB Online.

v1.2.1

Adjust the alt-text to be more descriptive on the images.

v1.2.0

Maintenance updates for release R2021b.

• Tested in R2021b.
• Consistent formatting and grammar updates.
• Graphics and plots with white background.

v1.1.0

Initial release of courseware content for convolution in digital signal processing.