feat: configurable and extendable extractors with Lingui config

[semoal]

Now with this pull request users can create his own extractors:

type ExtractorType = {
  match(filename: string): boolean
  extract(filename: string, targetDir: string, options?: any): void
}

Little breaking change

Before we had two extractors [babel, typescript], the typescript step it's useless since babel support typescript practically out of the box, since this compiling it's done twice first by babel and then by typescript was causing a lot of failures on Typescript projects with bad origin's and strange errors about NODE_ENV.

Related issues:
#1058
#1047

Now if your package it's pure Typescript and doesn't contain Babel, you could just use typescript extractor instead of using the babel one.

  extractors: [
    require.resolve("@lingui/cli/api/extractors/typescript")
  ],

• Document this feature

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[semoal]

@nathanforce

[github-actions]

size-limit report 📦

Path	Size
./packages/core/build/cjs/core.production.min.js	2.78 KB (0%)
./packages/detect-locale/build/cjs/detect-locale.production.min.js	798 B (0%)
./packages/react/build/cjs/react.production.min.js	4.85 KB (0%)

[codecov]

Codecov Report

Merging #1065 (4a9b4c9) into main (78ad09f) will increase coverage by 0.14%.
The diff coverage is 80.00%.

❗ Current head 4a9b4c9 differs from pull request most recent head 9fcfb89. Consider uploading reports for the commit 9fcfb89 to get more accurate results

@@            Coverage Diff             @@
##             main    #1065      +/-   ##
==========================================
+ Coverage   83.06%   83.20%   +0.14%     
==========================================
  Files          53       53              
  Lines        1624     1620       -4     
  Branches      443      441       -2     
==========================================
- Hits         1349     1348       -1     
- Misses        158      159       +1     
+ Partials      117      113       -4     

Impacted Files	Coverage Δ
packages/cli/src/api/catalog.ts	81.56% <ø> (ø)
packages/conf/src/index.ts	80.76% <ø> (ø)
packages/cli/src/api/extract.ts	88.46% <50.00%> (+4.59%)	⬆️
packages/cli/src/api/extractors/index.ts	69.23% <100.00%> (+10.89%)	⬆️

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