Add "receive payment" snippets for channel opening fees #529

Job	Run time
Check Swift snippets	25s
Build mdbook	39s
setup	1s
Check rust snippets	30s
Check kotlin MPP snippets	31s
build packages / Pre-setup	1s
build packages / Setup	1s
build packages / build-bindings-darwin	1s
build packages / build-bindings-linux	1s
build packages / build-bindings-android	1s
build packages / build-bindings-ios	1s
build packages / build-bindings-windows	1s
build packages / build-language-bindings	1s
build packages / publish-react-native	1s
build packages / publish-flutter	1s
build packages / publish-csharp	1s
build packages / publish-golang	1s
build packages / publish-kotlin-mpp	1s
build packages / publish-maven	1s
build packages / publish-python	1s
Check C# snippets	1s
Check dart snippets	1s
Check Go snippets	1s
Check Python snippets	1s
Check react native snippets	1s
	2m 26s

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