French language support along with additional chapters!

What's Changed

• Update Introductions by @Anuj-Khadka in #36
• added server side code chapter by @ChiragAgg5k in #39
• Add single thread nature chapter by @bEluga0000 in #42
• API AJAX chapter by @bEluga0000 in #45
• Ecma script Chapter by @bEluga0000 in #48
• Advance level js interview questions by @TANYA03GUPTA in #51
• JavaScript Interview Questions [ Basic Level ] by @raj23689 in #53
• French translation by @scheuerkev in #54
• Callback chapter by @bEluga0000 in #55
• Edit readme title itallics by @bj-rutledge in #59
• Added JavaScript Interview Questions (intermediate level) by @deveshidwivedi in #61
• Feature/design patterns by @CrownPab in #62
• Readme file for Error Handling by @ayan-joshi in #67
• Translating into french jobs Part II by @moustaphaotf in #70
• Typos en version part ii translation jobs by @moustaphaotf in #71

New Contributors

• @ChiragAgg5k made their first contribution in #39
• @bEluga0000 made their first contribution in #42
• @TANYA03GUPTA made their first contribution in #51
• @raj23689 made their first contribution in #53
• @scheuerkev made their first contribution in #54
• @bj-rutledge made their first contribution in #59
• @deveshidwivedi made their first contribution in #61
• @CrownPab made their first contribution in #62
• @ayan-joshi made their first contribution in #67
• @moustaphaotf made their first contribution in #70

Full Changelog: 1.1...1.2