Add inline summaries in --write-changes mode

[pgbaumann]

Fixes #3663

When using the -w flag to automatically fix spelling errors, codespell now displays a list of changes made below the "FIXED: filename" message, similar to the output in non-write mode.

Before:
FIXED: foo.h

After:
FIXED: foo.h
foo.h:63: Creats ==> Creates

Changes:

• Added changes_made list to track fixes made to a file during write mode
• Print list of changes after "FIXED: filename"
• Moved color formatting code into a function to avoid code duplication
• Added a test

[DimitriPapadopoulos]

Ah, the test is an excellent idea, thank you for that.

[larsoner]

@DimitriPapadopoulos feel free to merge if you're happy

[DimitriPapadopoulos]

@pgbaumann I'm afraid #3832 refactored the code you've modified — mostly moving part of a function into its own function. Do you think you can find time to rebase this PR? Sorry about the annoyance.

[pgbaumann]

@pgbaumann I'm afraid #3832 refactored the code you've modified — mostly moving part of a function into its own function. Do you think you can find time to rebase this PR? Sorry about the annoyance.

Hi @DimitriPapadopoulos. Sure, I will have a look next weekend.

[pgbaumann]

@DimitriPapadopoulos I have updated the PR by resolving conflicts with #3832.
Please take a look when you have a chance.

[pgbaumann]

Hey @DimitriPapadopoulos

Just a friendly ping. I've resolved the conflicts with #3832, so this should be ready for review whenever you have time. Thanks!

[DimitriPapadopoulos]

Thank you @pgbaumann.