move glob exclude patterns to ignoreList

[apellerano-pw]

!(foo) style clauses don't work if the codemod is extended to support incremental pod conversion. Take #61 where a --pod flag is desired. Running --pods my-pod-a would generate a search path like:

app/my-pod-a/!(components)/**/template.hbs

but this is incorrect if you have a file structure like

my-project/
  app/
    my-pod-a/
      route.js
      template.hbs

since there's no folder in between my-pod-a and ** which matches !(components).

The exclusion can be expressed instead with ignoreList so that there's no additional folders required by /!(foo)/. This makes the codemod more extensible.

I wasn't able to reproduce the issue with --pod-path alone like originally theorized in #61. This is because there will always be a pod-name folder to match /!(foo)/.

[ijlee2]

Thanks!