Basic Q# Formatter

[ScottCarda-MS]

Adds a Q# formatter to the compiler with some basic abilities.

The formatter is added to the VScode extension and is triggered manually with the VScode format command, which may be set to run on save, depending on user settings.

[github-actions]

Benchmark for 5ea3349

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Test	Base	PR	%
Array append evaluation	747.6±6.43µs	742.3±4.72µs	-0.71%
Array literal evaluation	299.7±3.70µs	299.9±2.23µs	+0.07%
Array update evaluation	750.5±4.94µs	749.9±4.46µs	-0.08%
Deutsch-Jozsa evaluation	6.3±0.20ms	6.2±0.05ms	-1.59%
Large file parity evaluation	35.2±0.12ms	35.1±0.50ms	-0.28%
Large input file	35.0±0.84ms	32.8±1.16ms	-6.29%
Large nested iteration	77.4±1.08ms	77.6±1.84ms	+0.26%
Standard library	19.5±0.90ms	17.5±0.78ms	-10.26%
Teleport evaluation	91.1±2.80µs	93.0±3.46µs	+2.09%

[github-actions]

Benchmark for fcd4c88

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Test	Base	PR	%
Array append evaluation	744.6±11.55µs	750.3±5.11µs	+0.77%
Array literal evaluation	300.6±4.65µs	335.8±4.64µs	+11.71%
Array update evaluation	752.2±10.92µs	756.0±7.44µs	+0.51%
Deutsch-Jozsa evaluation	6.2±0.05ms	6.2±0.19ms	0.00%
Large file parity evaluation	35.5±0.21ms	35.7±0.22ms	+0.56%
Large input file	33.4±3.50ms	31.1±1.52ms	-6.89%
Large nested iteration	76.9±1.99ms	77.7±1.00ms	+1.04%
Standard library	20.2±2.42ms	16.9±0.50ms	-16.34%
Teleport evaluation	91.5±2.40µs	91.8±1.89µs	+0.33%

[github-actions]

Benchmark for a30fd2e

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Test	Base	PR	%
Array append evaluation	743.7±3.47µs	754.1±7.94µs	+1.40%
Array literal evaluation	298.5±2.36µs	313.0±2.88µs	+4.86%
Array update evaluation	750.1±3.50µs	757.1±3.31µs	+0.93%
Deutsch-Jozsa evaluation	6.3±0.04ms	6.2±0.04ms	-1.59%
Large file parity evaluation	35.2±0.10ms	35.2±0.14ms	0.00%
Large input file	35.0±1.06ms	35.3±0.97ms	+0.86%
Large nested iteration	77.6±1.09ms	76.3±1.01ms	-1.68%
Standard library	19.1±0.79ms	19.2±0.80ms	+0.52%
Teleport evaluation	91.1±1.95µs	91.5±2.25µs	+0.44%

[billti]

A couple minor things to fix up, and I didn't look at the Rust code too much as I assume Mine did, else looks good. Thanks!

[github-actions]

Benchmark for 4262a19

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Test	Base	PR	%
Array append evaluation	785.8±17.18µs	776.9±3.06µs	-1.13%
Array literal evaluation	299.9±3.31µs	302.8±2.81µs	+0.97%
Array update evaluation	784.2±4.08µs	782.6±2.55µs	-0.20%
Deutsch-Jozsa evaluation	6.3±0.04ms	6.3±0.05ms	0.00%
Large file parity evaluation	35.2±0.85ms	35.2±0.15ms	0.00%
Large input file	35.5±0.86ms	33.9±1.57ms	-4.51%
Large nested iteration	80.4±1.00ms	80.1±0.98ms	-0.37%
Standard library	19.5±0.97ms	17.9±1.42ms	-8.21%
Teleport evaluation	91.5±2.46µs	92.6±3.06µs	+1.20%