notes about css-loader modules and proper configs in examples

[quebits]

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This PR contains a:

• [ ] bugfix
• [ ] new feature
• [ ] code refactor
• [ ] test update
• [ ] typo fix
• [x] metadata update

Motivation / Use-Case

Make clear how to use css-modules/locals.

Breaking Changes

Additional Info

[jsf-clabot]

All committers have signed the CLA.

[codecov[bot]]

Codecov Report

Merging #452 (b8a0f68) into master (de38c39) will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #452   +/-   ##
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  Coverage   98.95%   98.95%           
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  Files           4        4           
  Lines         192      192           
  Branches       88       88           
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  Hits          190      190           
  Misses          2        2           

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[quebits]

Possibly better approach would be total removing "locals" from "injectType" examples and create dedicated subsection about it?

[alexander-akait]

@krail i think yes