Updated contribution documentation

[Razican]

I updated the documentation related to how to contribute to the project. I modified the usual dbg!(&tokens) and dbg!(&expr) to instead use the -t and -a CLI options, updated some links, and reduced duplication of information. I see a couple of images in the ./docs/img/ folder, but I don't see them referenced anywhere. Are we using them? Maybe they can be removed.

[github-actions]

Benchmark for b3bb9ee

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Test	PR Benchmark	Master Benchmark	%
Create Realm	479.8±15.39µs	477.5±22.23µs	100%
Expression (Parser)	3.7±0.23µs	3.6±0.10µs	102%
Hello World (Execution)	498.3±14.95µs	501.0±13.08µs	99%
Hello World (Lexer)	1157.2±46.88ns	1080.3±41.96ns	107%
Hello World (Parser)	1238.1±80.33ns	1281.2±43.78ns	97%
Symbol Creation	603.1±35.92µs	597.7±23.59µs	101%
fibonacci (Execution)	5.4±0.14ms	5.5±0.12ms	98%
	undefined	undefined	100%

[github-actions]

Benchmark for dcafa44

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Test	PR Benchmark	Master Benchmark	%
Create Realm	405.1±41.67µs	390.1±24.20µs	104%
Expression (Parser)	2.8±0.23µs	2.7±0.19µs	102%
Hello World (Execution)	409.6±25.18µs	411.7±32.64µs	99%
Hello World (Lexer)	891.3±72.41ns	903.1±53.14ns	99%
Hello World (Parser)	1020.8±75.79ns	970.0±64.55ns	105%
Symbol Creation	492.3±37.23µs	486.4±34.65µs	101%
fibonacci (Execution)	4.4±0.19ms	4.5±0.22ms	98%
	undefined	undefined	100%

[Razican]

I did the requested changes :) it should be ready for a merge.

[github-actions]

Benchmark for 4c0024d

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Test	PR Benchmark	Master Benchmark	%
Create Realm	488.4±20.53µs	489.4±14.07µs	100%
Expression (Parser)	3.6±0.09µs	3.6±0.18µs	100%
Hello World (Execution)	503.2±17.05µs	513.5±31.04µs	98%
Hello World (Lexer)	1176.1±32.30ns	1189.6±45.13ns	99%
Hello World (Parser)	1316.5±56.80ns	1278.3±59.98ns	103%
Symbol Creation	606.3±22.16µs	611.8±26.09µs	99%
fibonacci (Execution)	5.6±0.13ms	5.7±0.12ms	99%
	undefined	undefined	100%

[github-actions]

Benchmark for d4f095f

Click to view benchmark

Test	PR Benchmark	Master Benchmark	%
Create Realm	426.2±17.27µs	439.3±26.88µs	97%
Expression (Parser)	3.0±0.15µs	3.1±0.17µs	97%
Hello World (Execution)	434.0±19.42µs	464.5±23.99µs	93%
Hello World (Lexer)	981.3±51.34ns	967.1±47.15ns	101%
Hello World (Parser)	1169.9±53.11ns	1143.8±80.35ns	102%
Symbol Creation	526.9±29.26µs	546.1±40.16µs	96%
fibonacci (Execution)	4.9±0.17ms	5.2±0.21ms	94%
	undefined	undefined	100%

[jasonwilliams]

Thanks!