chore(nlp): Hungarian added to contenful

[elozano98]

Depends on #1247. Please, review it first. ⚠️

Description

Hungarian tokenizer, stemmer, and stopwords have been added to contentful nlp.

Context

Adding them will make it possible to process Hungarian text.

Approach taken / Explain the design

The tokenizer and the stemmer used are from the nlpjs library while the stopwords have been collected from here.

Testing

The pull request...

• has unit tests

[codecov]

Codecov Report

Merging #1248 (faa1fb3) into contentful/sl (c839d58) will increase coverage by 0.03%.
The diff coverage is 100.00%.

@@                Coverage Diff                @@
##           contentful/sl    #1248      +/-   ##
=================================================
+ Coverage          64.55%   64.58%   +0.03%     
=================================================
  Files                230      231       +1     
  Lines               6429     6436       +7     
  Branches            1115     1115              
=================================================
+ Hits                4150     4157       +7     
+ Misses              1967     1966       -1     
- Partials             312      313       +1     

Flag	Coverage Δ
botonic-plugin-contentful	71.12% <100.00%> (+0.05%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
...kages/botonic-plugin-contentful/src/nlp/locales.ts	100.00% <100.00%> (ø)
...kages/botonic-plugin-contentful/src/nlp/stemmer.ts	95.55% <100.00%> (+0.20%)	⬆️
...lugin-contentful/src/nlp/stopwords/stopwords-hu.ts	100.00% <100.00%> (ø)
...ckages/botonic-plugin-contentful/src/nlp/tokens.ts	95.83% <100.00%> (+0.13%)	⬆️
...lugin-contentful/src/contentful/contents/button.ts	76.92% <0.00%> (-1.93%)	⬇️
...plugin-contentful/src/contentful/cms-contentful.ts	88.65% <0.00%> (+1.03%)	⬆️

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