Add bezier curve oscillator #57

Job	Run time
cross-compile-ios (macos-latest, 1.70.0, aarch64-apple-ios)	33s
test (ubuntu-latest, beta)	22s
test (ubuntu-latest, nightly)	29s
cross-compile (ubuntu-latest, 1.70.0, aarch64-linux-android)	31s
test (macos-latest, beta)	26s
cross-compile (ubuntu-latest, 1.70.0, i686-pc-windows-gnu)	33s
test (macos-latest, nightly)	30s
cross-compile (ubuntu-latest, 1.70.0, i686-unknown-freebsd)	29s
test (windows-latest, beta)	1m 29s
cross-compile (ubuntu-latest, 1.70.0, i686-unknown-linux-gnu)	32s
test (windows-latest, nightly)	1m 34s
cross-compile (ubuntu-latest, 1.70.0, wasm32-unknown-unknown)	31s
cross-compile (ubuntu-latest, 1.70.0, x86_64-apple-darwin)	31s
cross-compile (ubuntu-latest, 1.70.0, x86_64-unknown-redox)	29s
	8m 59s

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