Added a translated 'events.rst' to japanese.
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Merge pull request #602 from Lucas053/patch-1

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Merge pull request #603 from Lucas053/patch-2

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Merge pull request #601 from Zuborawka/Translate-a-page-of-"event"-to-japanese

Added a translated 'events.rst' to japanese.
[ja] fixed some warnings
[ja] fixed file location
[fr] fix typos in getting-started folder
[fr] Fix typos in installation folder
[fr] Fix typos in views folder
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Merge pull request #604 from Lucas053/patch-3

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[fr] Fix typos and add missing parts in root folder
[fr] Fix typos and add missing parts in models folder (Part1)
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Merge pull request #605 from Lucas053/patch-4

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[fr] Fix typos and add missing parts in models folder (Part 2)
[fr] Fix typos and add missing parts in tutorials-and-examples folder
[fr] unescaped character (')