Introduce findFilesGlob configuration. Allows to define where to look for the files.

[viktomas]

Closes #63

This PR introduces a new configuration option, searchGlob. The configuration option is null by default and doesn't interfere with the current logic.

If set, the option overrides the expression generated from fileTypes configuration. If the fileTypes configuration has been set, we'll warn the user:

This PR contains 3 commits:

1. the first commit only refactors the code in preparation for a change. There's no functionality change
2. the second commit implements the change
3. the third commit adds README entry

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I tried to write tests, but I wasn't able to run them since this extension uses webpack rather than plain tsc.

[Craskermasker]

Will this allow sub-directories to be excluded from the search?

[viktomas]

@Craskermasker in some limited cases. This feature is more for defining where your notes are than where they aren't.

You can see more details in the VS Code API documentation for workspace.findFiles

There is an exclude parameter for that function that is probably more what you are after.

[viktomas]

@tchayen I addressed your feedback and tested the change locally (it still works). Please let me know if there's anything else I can do :+1: