Check for requirements when executing `make styleshint`.
Check for requirements when executing `make styleshint`.

gerzhan/spreed-webrtc,strukturag/spreed-webrtc,strukturag/spreed-webrtc,shelsonjava/spreed-webrtc,fancycode/spreed-webrtc,gerzhan/spreed-webrtc,theurere/spreed-webrtc,shelsonjava/spreed-webrtc,theurere/spreed-webrtc,shelsonjava/spreed-webrtc,fancycode/spreed-webrtc,theurere/spreed-webrtc,theurere/spreed-webrtc,fancycode/spreed-webrtc,gerzhan/spreed-webrtc,fancycode/spreed-webrtc,tymiles003/spreed-webrtc,tymiles003/spreed-webrtc,theurere/spreed-webrtc,strukturag/spreed-webrtc,tymiles003/spreed-webrtc,shelsonjava/spreed-webrtc,fancycode/spreed-webrtc,strukturag/spreed-webrtc,gerzhan/spreed-webrtc,gerzhan/spreed-webrtc,shelsonjava/spreed-webrtc,shelsonjava/spreed-webrtc,strukturag/spreed-webrtc,strukturag/spreed-webrtc,tymiles003/spreed-webrtc,shelsonjava/spreed-webrtc,gerzhan/spreed-webrtc,gerzhan/spreed-webrtc,fancycode/spreed-webrtc,theurere/spreed-webrtc,tymiles003/spreed-webrtc