Add abbreviations for title case

[amoghrajesh]

Description

Adding support for title casing.
Running example:

➜  abbreviate git:(title-casing) ✗ ./abbreviate pascal prestrategy-limitedment
PrstgLtdmnt
➜  abbreviate git:(title-casing) ✗ ./abbreviate title prestrategy-limitedment   
Prstg Ltdmnt

Fixes #39

Type of change

Please delete options that are not relevant.

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

How Has This Been Tested?

Please describe the tests that you ran to verify your changes. Provide instructions so we can reproduce. Please also list any relevant details for your test configuration

• Running existing tests
• Created new tests

Checklist:

• My code has been linted (make lint)
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• I have rebased my branch to include the latest changes from master

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[amoghrajesh]

@dnnrly I was unable to set up godog locally. So i created this PR so that the CI runs here.

[amoghrajesh]

@dnnrly how is it supposed to work without the code?

  Scenario: Title case                                                  # features/cli.feature:46
    When the app runs with parameters "title --max 15 strategy_limited" # features_test.go:30 -> *testContext
    Then the app exits without error                                    # features_test.go:41 -> *testContext
    
	Error Trace:	features_test.go:42
	            				value.go:476
	            				value.go:337
	            				stepdef.go:159
	            				suite.go:138
	            				suite.go:225
	            				suite.go:284
	            				run.go:111
	            				asm_amd64.s:1371
	Error:      	Received unexpected error:
	            	exit status 1

    And the app output contains exactly "Strategy-Ltd"                  # features_test.go:57 -> *testContext
Command line output for "Title case"
Using parameters: title --max 15 strategy_limited
Error: unknown command "title" for "abbreviate"
Run 'abbreviate --help' for usage.
unknown command "title" for "abbreviate"

[dnnrly]

I have merged a change to master that should fix the problems you were having with Godog. I'm not sure why the title sub-command isn't working. That'll take a little more investigation.

[dnnrly]

I did some more checking on a rebased version of your branch - I think it might be the length is set wrong. Try --max 14.

[amoghrajesh]

@dnnrly fixed it. Can you have a look today?

[dnnrly]

I think this is decent implementation. I think to make it align with the the rest of the codebase it might be worth creating a new function ToTitle in the domain package that returns a string. That way we use unit tests to validate the behaviour and just have to print it out in this command function - this would be a great thing to see here.

[amoghrajesh]

Makes sense. I just pushed a fix after refactoring and adding unit tests. Can you take a look now?

[dnnrly]

I think there's an error in the title command file:
https://github.com/dnnrly/abbreviate/actions/runs/6395253163/job/17358471652?pr=41#step:4:24

[amoghrajesh]

@dnnrly copy paste errors :)
Fixed!

[dnnrly]

As is my tradition, you've earned a follow on Twitter. 😄