Add language packs

[AlbyIanna]

Motivation

As on Transifex we are getting more and more strings translated we want to add support for new languages.

Other information

Reviewer checklist

• PR addresses a single concern.
• The PR has no duplicates (please search among the Pull Requests before creating one)
• PR title and description are properly filled.
• Docs have been added / updated (for bug fixes / features)

[per1234]

UPDATE: fixed by https://github.com/arduino/arduino-ide/compare/7cc25ccbc14644b0955ca807019cd875a44e08e3..55e83a89d82903b2f21ce47d5fd5d4d3f842480c

It is necessary to also add these to the `theiaPlugins` key of `electron/build/template-package.json`:

arduino-ide/electron/build/template-package.json

Lines 142 to 154 in 7fed8fe

	"theiaPlugins": {
	"vscode-builtin-cpp": "https://open-vsx.org/api/vscode/cpp/1.52.1/file/vscode.cpp-1.52.1.vsix",
	"vscode-arduino-tools": "https://downloads.arduino.cc/vscode-arduino-tools/vscode-arduino-tools-0.0.2-beta.2.vsix",
	"vscode-builtin-json": "https://open-vsx.org/api/vscode/json/1.46.1/file/vscode.json-1.46.1.vsix",
	"vscode-builtin-json-language-features": "https://open-vsx.org/api/vscode/json-language-features/1.46.1/file/vscode.json-language-features-1.46.1.vsix",
	"cortex-debug": "https://open-vsx.org/api/marus25/cortex-debug/0.3.10/file/marus25.cortex-debug-0.3.10.vsix",
	"vscode-language-pack-nl": "https://open-vsx.org/api/MS-CEINTL/vscode-language-pack-nl/1.48.3/file/MS-CEINTL.vscode-language-pack-nl-1.48.3.vsix",
	"vscode-language-pack-fr": "https://open-vsx.org/api/MS-CEINTL/vscode-language-pack-fr/1.53.2/file/MS-CEINTL.vscode-language-pack-fr-1.53.2.vsix",
	"vscode-language-pack-zh-hans": "https://open-vsx.org/api/MS-CEINTL/vscode-language-pack-zh-hans/1.53.2/file/MS-CEINTL.vscode-language-pack-zh-hans-1.53.2.vsix",
	"vscode-language-pack-de": "https://open-vsx.org/api/MS-CEINTL/vscode-language-pack-de/1.53.2/file/MS-CEINTL.vscode-language-pack-de-1.53.2.vsix",
	"vscode-language-pack-ja":"https://open-vsx.org/api/MS-CEINTL/vscode-language-pack-ja/1.53.2/file/MS-CEINTL.vscode-language-pack-ja-1.53.2.vsix",
	"vscode-language-pack-tr": "https://open-vsx.org/api/MS-CEINTL/vscode-language-pack-tr/1.53.2/file/MS-CEINTL.vscode-language-pack-tr-1.53.2.vsix"
	}

Otherwise they will not be in the distribution package:

[AlbyIanna]

Ah, right. Will do that. Thanks!

[per1234]

Very exciting to see the list of available languages grow.

Thanks Alberto!

Thanks also to the translators for helping to make the Arduino IDE accessible to the entire world!