Update Hello World tutorial w/ Video Guide

[kimcodeashian]

Description

Adding video guide for more context & different learning medium for developers

[github-actions]

Cadence Benchstat comparison

This branch with compared with the base branch onflow:master commit 8ecdaf3
The command for i in {1..N}; do go test ./... -run=XXX -bench=. -shuffle=on; done was used.
Bench tests were run a total of 7 times on each branch.

Results

	old.txt	new.txt
	time/op		delta
RuntimeResourceDictionaryValues-2	16.6ms ±11%	15.8ms ± 7%	~	(p=0.259 n=7+7)
RuntimeFungibleTokenTransfer-2	1.52ms ±54%	1.67ms ±10%	~	(p=0.366 n=7+6)
ParseArray-2	14.8ms ± 3%	14.5ms ± 5%	~	(p=0.530 n=5+7)
ParseFungibleToken-2	219µs ± 3%	217µs ± 8%	~	(p=0.836 n=6+7)
ParseDeploy/byte_array-2	22.5ms ±14%	21.7ms ± 4%	~	(p=0.731 n=7+6)
ParseDeploy/decode_hex-2	1.37ms ± 8%	1.33ms ± 8%	~	(p=0.535 n=7+7)
ParseInfix-2	11.0µs ±10%	11.2µs ± 8%	~	(p=0.535 n=7+7)
QualifiedIdentifierCreation/One_level-2	3.11ns ± 6%	3.09ns ± 2%	~	(p=0.876 n=7+5)
QualifiedIdentifierCreation/Three_levels-2	161ns ± 5%	162ns ± 5%	~	(p=0.558 n=7+7)
ContractInterfaceFungibleToken-2	46.8µs ± 9%	45.7µs ± 7%	~	(p=0.456 n=7+7)
CheckContractInterfaceFungibleTokenConformance-2	166µs ± 5%	159µs ± 8%	~	(p=0.101 n=6+7)
NewInterpreter/new_interpreter-2	1.22µs ± 8%	1.21µs ± 8%	~	(p=0.902 n=7+7)
NewInterpreter/new_sub-interpreter-2	2.44µs ± 9%	2.40µs ±10%	~	(p=0.710 n=7+7)
InterpretRecursionFib-2	2.76ms ± 8%	2.55ms ± 6%	−7.52%	(p=0.007 n=7+7)
	alloc/op		delta
RuntimeResourceDictionaryValues-2	4.05MB ± 0%	4.05MB ± 0%	~	(p=0.259 n=7+7)
RuntimeFungibleTokenTransfer-2	278kB ± 0%	278kB ± 0%	~	(p=0.535 n=7+7)
QualifiedIdentifierCreation/One_level-2	0.00B	0.00B	~	(all equal)
QualifiedIdentifierCreation/Three_levels-2	64.0B ± 0%	64.0B ± 0%	~	(all equal)
ContractInterfaceFungibleToken-2	26.6kB ± 0%	26.6kB ± 0%	~	(p=0.192 n=7+7)
CheckContractInterfaceFungibleTokenConformance-2	66.2kB ± 0%	66.2kB ± 0%	~	(all equal)
NewInterpreter/new_interpreter-2	768B ± 0%	768B ± 0%	~	(all equal)
NewInterpreter/new_sub-interpreter-2	1.24kB ± 0%	1.24kB ± 0%	~	(all equal)
InterpretRecursionFib-2	1.24MB ± 0%	1.24MB ± 0%	~	(p=0.455 n=6+6)
	allocs/op		delta
RuntimeResourceDictionaryValues-2	102k ± 0%	102k ± 0%	~	(p=0.431 n=7+6)
RuntimeFungibleTokenTransfer-2	4.62k ± 0%	4.62k ± 0%	~	(p=0.274 n=7+7)
QualifiedIdentifierCreation/One_level-2	0.00	0.00	~	(all equal)
QualifiedIdentifierCreation/Three_levels-2	2.00 ± 0%	2.00 ± 0%	~	(all equal)
ContractInterfaceFungibleToken-2	458 ± 0%	458 ± 0%	~	(all equal)
CheckContractInterfaceFungibleTokenConformance-2	1.07k ± 0%	1.07k ± 0%	~	(all equal)
NewInterpreter/new_interpreter-2	12.0 ± 0%	12.0 ± 0%	~	(all equal)
NewInterpreter/new_sub-interpreter-2	38.0 ± 0%	38.0 ± 0%	~	(all equal)
InterpretRecursionFib-2	25.0k ± 0%	25.0k ± 0%	~	(all equal)

[turbolent]

Nice, thank you!