* Add dev command for building wasm backend This aims to reduce the time spent building when testing with the wasm backend. On my machine `yarn release` takes 20s while `yarn dev` takes just 2s. * Separate out building wasm  | 
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|---|---|---|
| .. | ||
| js_tests.sh | ||
				* Add dev command for building wasm backend This aims to reduce the time spent building when testing with the wasm backend. On my machine `yarn release` takes 20s while `yarn dev` takes just 2s. * Separate out building wasm  | 
			||
|---|---|---|
| .. | ||
| js_tests.sh | ||