docs: improve LSP7 Natspec comments + add auto-generated docs #2072

Job	Run time
build	2m 54s
test-suites (up)	56s
test-suites (upinit)	56s
test-suites (lsp1)	3m 36s
test-suites (lsp2)	39s
test-suites (lsp4)	31s
test-suites (lsp6)	4m 16s
test-suites (lsp6init)	3m 35s
test-suites (lsp7)	1m 26s
test-suites (lsp7init)	2m 22s
test-suites (lsp8)	1m 31s
test-suites (lsp8init)	2m 45s
test-suites (lsp9)	46s
test-suites (lsp9init)	1m 18s
test-suites (lsp11)	48s
test-suites (lsp11init)	35s
test-suites (lsp17)	26s
test-suites (lsp20)	3m 6s
test-suites (lsp20init)	3m 46s
test-suites (lsp23)	33s
test-suites (universalfactory)	30s
test-suites (reentrancy)	3m 4s
test-suites (reentrancyinit)	3m 4s
test-suites (mocks)	43s
	44m 6s

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