Update Protocol Kit reference

[germartinez]

Context

This PR:

• Splits the Protocol Reference into two files (Safe and Safe Factory)
• Categorizes the methods into sections based on the topic

[github-actions]

Overall readability score: 66.79 (🔴 -2.01)

File	Readability
reference.md	78.13 (🟢 +6.35)
safe-factory.md	56.75 (-)
safe.md	69.63 (-)

View detailed metrics

🟢 - Shows an increase in readability
🔴 - Shows a decrease in readability

File	Readability	FRE	GF	ARI	CLI	DCRS
reference.md	78.13	69.48	7.99	7.1	9.14	7.2
	🟢 +6.35	🟢 +19.15	🔴 -0.79	🟢 +3.5	🟢 +3.08	🔴 -1.52
safe-factory.md	56.75	46.78	11.04	11.7	12.12	7.67
	-	-	-	-	-	-
safe.md	69.63	42.48	7.15	10.6	12.63	5.79
	-	-	-	-	-	-

Averages:

	Readability	FRE	GF	ARI	CLI	DCRS
Average	66.79	56.98	9.45	10.1	10.82	7.21
	🔴 -2.01	🔴 -2.06	🔴 -0.28	🔴 -0.27	🔴 -0.22	🔴 -0.15

View metric targets

Metric	Range	Ideal score
Flesch Reading Ease	100 (very easy read) to 0 (extremely difficult read)	60
Gunning Fog	6 (very easy read) to 17 (extremely difficult read)	8 or less
Auto. Read. Index	6 (very easy read) to 14 (extremely difficult read)	8 or less
Coleman Liau Index	6 (very easy read) to 17 (extremely difficult read)	8 or less
Dale-Chall Readability	4.9 (very easy read) to 9.9 (extremely difficult read)	6.9 or less

[tanay1337]

I think there are a few methods and function names that aren't wrapped in backticks.