Documented helpers module #105

Job	Run time
Lint	31s
Code Style	1m 24s
SDK docs - mgmt	52s
Get minimum supported rust version	12s
SDK docs	1m 26s
SDK docs - svc	20s
E2E Tests (stable, false)	2m 9s
SDK Tests (stable, false)	3m 16s
E2E Tests (1.76, false)	2m 28s
SDK Tests (1.76, false)	2m 59s
WASM Tests (stable, false)	1m 2s
E2E Tests (nightly, true)	2m 42s
SDK Tests (nightly, true)	1m 32s
WASM Tests (1.76, false)	45s
WASM Tests (nightly, true)	1m 3s
	22m 41s

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