Chore: Add Livechat repo into Monorepo packages (#25312)

.github/CODEOWNERS

.github/no-js-action-config.json

apps/meteor/package.json

apps/meteor/packages/rocketchat-livechat/plugin/build.sh

packages/livechat/.eslintignore

packages/livechat/.eslintrc

packages/livechat/.gitignore

packages/livechat/.storybook/assets/accessoryImage.png

packages/livechat/.storybook/assets/beep.mp3

packages/livechat/.storybook/assets/gazzo.jpg

packages/livechat/.storybook/assets/imageBlock.png

packages/livechat/.storybook/assets/martin.jpg

packages/livechat/.storybook/assets/sample-audio.mp3

packages/livechat/.storybook/assets/sample-image.jpg

packages/livechat/.storybook/assets/sample-video.mp4

packages/livechat/.storybook/assets/tasso.jpg

packages/livechat/.storybook/babel.config.js

packages/livechat/.storybook/logo.svg

packages/livechat/.storybook/main.js

packages/livechat/.storybook/manager.js