feat(studio): functions management api - attaching functions folder

[kallebysantos]

What kind of change does this PR introduce?

Feature

What is the new behaviour?

Its allows Edge Functions Management API to use folder introspection and serve function metadata. ref: https://github.com/supabase/supabase/pull/40690, internal RFC

Additional context

screenshots

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I'm keeping it very simple for now. Please let me know if a more complex volume binding like this one is needed https://github.com/supabase/cli/blob/cd22bfec95e396d533d2642e9c03d200a447e361/internal/functions/serve/serve.go#L253-L270

cc @sweatybridge