fgm/php__symfony__book: FGM's version of the code suggested in the SF4 book. @ 7cc99a4e75daae93afb7b81a3435f5dbd137234b

Frederic G. MARAND deeb7894a7 Ch. 2: profiler, twig.		7 lat temu
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framework.yaml	f8830b8a47 Initial commit: generated skeleton + composer require server.	7 lat temu
web_profiler.yaml	deeb7894a7 Ch. 2: profiler, twig.	7 lat temu