rename why-cadence.md to why.md to fix broken link

[j1010001]

Fixing #2039 which had incorrect name of a link referenced in #2040

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• Targeted PR against master branch
• Linked to Github issue with discussion and accepted design OR link to spec that describes this work
• Code follows the standards mentioned here
• Updated relevant documentation
• Re-reviewed Files changed in the Github PR explorer
• Added appropriate labels

[codecov]

Codecov Report

Merging #2102 (f3146d8) into master (4ba4651) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #2102   +/-   ##
=======================================
  Coverage   77.69%   77.69%           
=======================================
  Files         303      303           
  Lines       63313    63313           
=======================================
  Hits        49192    49192           
  Misses      12364    12364           
  Partials     1757     1757           

Flag	Coverage Δ
unittests	77.69% <ø> (ø)

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[github-actions]

Cadence Benchstat comparison

This branch with compared with the base branch onflow:master commit 4ba4651
The command for i in {1..N}; do go test ./... -run=XXX -bench=. -benchmem -shuffle=on; done was used.
Bench tests were run a total of 7 times on each branch.

Collapsed results for better readability

	old.txt	new.txt
	time/op		delta
CheckContractInterfaceFungibleTokenConformance-2	118µs ± 1%	122µs ± 8%	~	(p=0.234 n=6+7)
ContractInterfaceFungibleToken-2	40.7µs ± 2%	40.8µs ± 1%	~	(p=0.485 n=6+6)
InterpretRecursionFib-2	2.35ms ± 2%	2.36ms ± 1%	~	(p=0.073 n=6+7)
NewInterpreter/new_interpreter-2	1.16µs ± 1%	1.16µs ± 2%	~	(p=0.669 n=6+6)
NewInterpreter/new_sub-interpreter-2	615ns ± 1%	618ns ± 1%	~	(p=0.148 n=7+6)
ParseArray-2	8.18ms ± 1%	8.19ms ± 1%	~	(p=0.836 n=7+6)
ParseDeploy/byte_array-2	12.3ms ± 2%	12.4ms ± 2%	~	(p=0.295 n=7+6)
ParseDeploy/decode_hex-2	1.23ms ± 4%	1.22ms ± 1%	~	(p=0.945 n=7+6)
ParseFungibleToken/With_memory_metering-2	189µs ± 1%	189µs ± 3%	~	(p=1.000 n=7+7)
ParseFungibleToken/Without_memory_metering-2	150µs ± 0%	150µs ± 0%	~	(p=1.000 n=7+7)
ParseInfix-2	7.18µs ± 1%	7.18µs ± 1%	~	(p=0.836 n=7+6)
QualifiedIdentifierCreation/One_level-2	2.34ns ± 0%	2.35ns ± 0%	~	(p=0.721 n=6+7)
QualifiedIdentifierCreation/Three_levels-2	140ns ± 3%	139ns ± 1%	~	(p=0.374 n=7+6)
RuntimeFungibleTokenTransfer-2	555µs ±25%	616µs ±18%	~	(p=0.128 n=7+7)
RuntimeResourceDictionaryValues-2	5.08ms ± 1%	5.08ms ± 1%	~	(p=1.000 n=7+7)
RuntimeScriptNoop-2	18.3µs ±31%	17.9µs ±26%	~	(p=0.776 n=7+7)
ValueIsSubtypeOfSemaType-2	94.3ns ± 2%	95.8ns ± 5%	~	(p=0.318 n=7+7)
	alloc/op		delta
CheckContractInterfaceFungibleTokenConformance-2	50.1kB ± 0%	50.1kB ± 0%	~	(p=0.462 n=7+7)
ContractInterfaceFungibleToken-2	24.2kB ± 0%	24.2kB ± 0%	~	(p=0.462 n=7+7)
InterpretRecursionFib-2	1.00MB ± 0%	1.00MB ± 0%	~	(p=0.140 n=7+6)
NewInterpreter/new_interpreter-2	800B ± 0%	800B ± 0%	~	(all equal)
NewInterpreter/new_sub-interpreter-2	216B ± 0%	216B ± 0%	~	(all equal)
ParseArray-2	2.77MB ± 4%	2.70MB ± 2%	~	(p=0.366 n=7+7)
ParseDeploy/byte_array-2	4.18MB ± 3%	4.23MB ± 3%	~	(p=0.067 n=7+7)
ParseDeploy/decode_hex-2	214kB ± 0%	214kB ± 0%	~	(p=0.339 n=7+7)
ParseFungibleToken/With_memory_metering-2	29.4kB ± 0%	29.4kB ± 0%	~	(p=0.175 n=6+7)
ParseFungibleToken/Without_memory_metering-2	29.4kB ± 0%	29.4kB ± 0%	~	(p=1.000 n=7+7)
ParseInfix-2	1.93kB ± 0%	1.93kB ± 0%	~	(p=0.647 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)
RuntimeFungibleTokenTransfer-2	102kB ± 1%	102kB ± 1%	~	(p=0.383 n=7+7)
RuntimeResourceDictionaryValues-2	2.27MB ± 0%	2.27MB ± 0%	~	(p=0.165 n=7+7)
RuntimeScriptNoop-2	8.75kB ± 1%	8.69kB ± 0%	~	(p=0.445 n=7+6)
ValueIsSubtypeOfSemaType-2	48.0B ± 0%	48.0B ± 0%	~	(all equal)
	allocs/op		delta
CheckContractInterfaceFungibleTokenConformance-2	900 ± 0%	900 ± 0%	~	(all equal)
ContractInterfaceFungibleToken-2	434 ± 0%	434 ± 0%	~	(all equal)
InterpretRecursionFib-2	18.9k ± 0%	18.9k ± 0%	~	(all equal)
NewInterpreter/new_interpreter-2	13.0 ± 0%	13.0 ± 0%	~	(all equal)
NewInterpreter/new_sub-interpreter-2	4.00 ± 0%	4.00 ± 0%	~	(all equal)
ParseArray-2	69.6k ± 0%	69.6k ± 0%	~	(p=0.172 n=6+7)
ParseDeploy/byte_array-2	104k ± 0%	104k ± 0%	~	(p=0.266 n=7+7)
ParseDeploy/decode_hex-2	75.0 ± 0%	75.0 ± 0%	~	(all equal)
ParseFungibleToken/With_memory_metering-2	0.99k ± 0%	0.99k ± 0%	~	(all equal)
ParseFungibleToken/Without_memory_metering-2	0.99k ± 0%	0.99k ± 0%	~	(all equal)
ParseInfix-2	60.0 ± 0%	60.0 ± 0%	~	(all equal)
QualifiedIdentifierCreation/One_level-2	0.00	0.00	~	(all equal)
QualifiedIdentifierCreation/Three_levels-2	2.00 ± 0%	2.00 ± 0%	~	(all equal)
RuntimeFungibleTokenTransfer-2	2.05k ± 0%	2.05k ± 0%	~	(all equal)
RuntimeResourceDictionaryValues-2	36.9k ± 0%	36.9k ± 0%	~	(p=0.188 n=7+7)
RuntimeScriptNoop-2	141 ± 0%	141 ± 0%	~	(all equal)
ValueIsSubtypeOfSemaType-2	1.00 ± 0%	1.00 ± 0%	~	(all equal)

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