if <script> with 'mw.config.set' is not found then grab <script> with config variables

[pavel-karatsiuba]

Scraper takes article configuration from <script> tag of HTML page.
Right now API is not provided such configuration.
With this PR the configuration takes in another way.
Fixes #1662

[codecov]

Codecov Report

Base: 69.64% // Head: 69.51% // Decreases project coverage by -0.14% ⚠️

Coverage data is based on head (2120fe7) compared to base (89abe74).
Patch coverage: 75.00% of modified lines in pull request are covered.

❗ Current head 2120fe7 differs from pull request most recent head 061b04e. Consider uploading reports for the commit 061b04e to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1766      +/-   ##
==========================================
- Coverage   69.64%   69.51%   -0.14%     
==========================================
  Files          23       23              
  Lines        2583     2585       +2     
  Branches      590      591       +1     
==========================================
- Hits         1799     1797       -2     
- Misses        674      675       +1     
- Partials      110      113       +3     

Impacted Files	Coverage Δ
src/util/saveArticles.ts	80.99% <75.00%> (+0.78%)	⬆️
src/MediaWiki.ts	78.28% <0.00%> (-3.29%)	⬇️
src/Dump.ts	81.18% <0.00%> (-1.00%)	⬇️
src/util/misc.ts	72.09% <0.00%> (-0.94%)	⬇️

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[kelson42]

Should we not die if nothing is detected, so no jsConfigVars? Should we not build an automated test for this?

[pavel-karatsiuba]

Should we not die if nothing is detected, so no jsConfigVars? Should we not build an automated test for this?

I have added an automated test to show which data we are getting. Empty data is not a problem because we are taking these data from the source page and we assume that the source page has the right format.