[FEATURE]add gcc support for cpp

[llzzeerr]

I want to add gcc support for cpp,such as this.I guess i can make it also.

The reason is... this fork could run cpp with gcc,but when run cpp/python code,it will occur a loading icon on corresponding code.So i think directly enhance source will help.

English is not my first-language. I will learn c/cpp/ts to complete this feature or wait until someone complete it.

Additional context
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[twibiral]

Let me know if you implemented this :)

I plan to update the plugin soon, but life keeps getting in the way...

[llzzeerr]

Ok. :)
The loading icon seems to be running properly after reinstall the origin plugin ,so i guess that fork cause the question.
Then I may split the GCC and G++ executor into separate files to implemented this.

after i tried:(i build that fork by the following method)

cd .obsidian/plugins
git clone https://github.com/twibiral/obsidian-execute-code
npm install
npm run build

I found that this approach misses the CSS file,and that cause the loading icon won't disappear! :) Just a missed css file!
So what should i do actually is...

1. copy the style.css to root path after building
2. following the path of that fork
3. now cpp code could run via gcc(or i mean ,g++)

Soon will i commit a pr...and i hope this will not destroy other part like c#(I doesn't install cling and c# on my linux,so i need others' help to figure out whether this pr is ok.)

Thank you for your help! @twibiral

[llzzeerr]

I've submitted a PR to address this: #445

feat: Add GCC support for C++ and include style.css

Thank you.