[Add] simplified Chinese translation

[julienemo]

➕ locales for simplified Chinese
ℹ️ the URLs provided in Chinese translation are those of English version

🤷‍♀️ wanted to update the carbon intensity factor for China but didn't find convincing statistics

[WalterRobin]

Another Chinese reviewer proposed the following corrections, what do you think?

{

"moreInformation": {

"message": "More information",

"description": "More information link title"更多链接

},

"moreInformationUrl": {

"message": "https://theshiftproject.org/en/carbonalyser-browser-extension/",

"description": "More information url"更多链接

},

"legalNotice": {

"message": "Legal notice",

"description": "Legal notice link title"法律声明标题链接

},

"legalNoticeUrl": {

"message": "https://theshiftproject.org/en/general-conditions-of-use/",

"description": "Legal notice url”法律声明链接

},

"start": {

"message": "Run analysis”,开始分析

"description": "Run analysis button" 开始分析按钮

},

"stop": {

"message": "Stop analysis”,停止分析

"description": "Stop analysis button"停止分析按钮

},

"reset": {

"message": "Reset data”,重置数据

"description": "Reset data button”数据重置按钮

"topTraffic": {

"message": "Top 5 traffic related to your browsing”,在您浏览的网站中，使用流量最大的五个网站

"description": "Top traffic list title”流量排名列表

"selectRegionPlaceholder": {

"message": "Select your location”选择您的位置

"chargedSmartphonesUnit": {

"message": "charged smartphones" 充满电的智能手机

[julienemo]

@WalterRobin Thanks for the info and sorry for the late reply

PR updated for all suggestions except for the follows, where I personnally prefer keeping my translation.

moreInformation, moreInformationUrl, legalNotice and legalNoticeUrl

[WalterRobin]

@julienemo Ok great! Thank you for your help on the translation it's truly appreciated. I've approved your commit