add Chinese translation

[JiechengZhao]

Add Translation of Chinese.

BTW, There are two

<0>If you are considering writing your own game, you should use the <1>GameSkeleton Github Repo</1> as a template and read <3>How to Create a Game</3>.</0><1>You can directly load your games into the server and play it using the correct URL. The <1>instructions above</1> also explain the details for how to load your game to the server. We'd like to encourage you to contact us if you have any questions.</1><p>Featured games on this page are added manually. Please get in contact and we'll happily add yours.</p>

<0>If you are considering writing your own game, you should use the <1>GameSkeleton Github Repo</1> as a template and read <3>How to Create a Game</3>.</0><1>You can directly load your games into the server and play it using the correct URL. The <1>instructions above</1> also explain the details for how to load your game to the server. We'd like to encourage you to contact us if you have any questions.</1><p>Featured games on this page are added manually. Please get in contact and we-ll happily add yours.</p>

I think the second we-ll is a mistype. And now there is no i18next content use the key, so I deleted that.

[joneugster]

Thanks for the translations! On second thought, I think there are some instructional strings that should not be translated, e.g. the main infos on the landing page, the words "Preferences" and "Impressum", ... Or at least I shoudl check with uni if these things should stay in english

Therefore I merged this manually! If you rebase this PR to dev, then it shows the translations I deleted for the time being.

[joneugster]

(about the misstype, appartenly i18next-scanner did not delete the unused key. Maybe I can change the settings so that it does)

[JiechengZhao]

@joneugster, currently identified 4 points:

1. The "Start" button in the intro panel was not translated. This has been addressed in commit 470a184.
2. The "Goal" and "Objects" in Goal component. Fixed in af54268
3. The level names remain untranslated. Their names have not yet been extracted as keys.
   
4. The level completed! 🎉 in the Error box.
   

[joneugster]

3. has been fixed in 9b05a27
4. Is a bit trickier (as rn these are generated in the lean server), but I implemented a hack so that the message "level completed!" appears in the Game's .pot file and can be translated there. Needs a better solution long-term.

I think I added all changes from this PR manually. The only things that should be left, are the translations of

• Impressum
• Preferences
• The landing page

As I'm not fully sure of the implications of having the server located in Germany and having these text in a language different than German or English. But I'd leave your PR here, so these translations could be added later.

[joneugster]

I think if you rebase @JiechengZhao , you should see that only few diffs remain

[JiechengZhao]

I think if you rebase @JiechengZhao , you should see that only few diffs remain

Hi, I have rebased the code, and it looks good. Currently, I cannot generate new Game.pot or Game.json files with new keys based on the new lean4game branch. Which command will do the job? I thought you have mentioned but I cannot find it.

[joneugster]

lake build does it at the end automatically, but otherwide lake exe i18n -t does this manually. (both in the nng repo)

in the lean4game repo, npm run translate will update the translation json files and give you an overview if it added or removed anything.

I think by the end of the week I will have integrated all these pieces, added the docs and updated NNG4 to use the new version completely. then I'll creat the v4.7.0 release of lean4game

[JiechengZhao]

@joneugster Please check and merge this P.R. There are still some scripts in server to update.

[joneugster]

ok, talked to my group. If we add the word "Impressum" in English, we can merge all of these changes, too!

[JiechengZhao]

ok, talked to my group. If we add the word "Impressum" in English, we can merge all of these changes, too!

Cool. I also finished my test, so I think it is ready to merge.