Add common issues for the set node

[imchairmanm]

No description provided.

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[github-actions]

Overall readability score: 44.21 (🔴 -0.01)

File	Readability
common-issues.md	64.36 (-)
index.md	75.05 (🔴 -1.28)

View detailed metrics

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

File	Readability	FRE	GF	ARI	CLI	DCRS
common-issues.md	64.36	55.95	8.9	11.2	11.48	7.42
	-	-	-	-	-	-
index.md	75.05	65.93	8.41	8	8.92	7.44
	🔴 -1.28	🟢 +0.1	🔴 -0.09	🔴 -0.1	🔴 -0.23	🔴 -0.21

Averages:

	Readability	FRE	GF	ARI	CLI	DCRS
Average	44.21	35.23	11.44	14.7	14.29	8.46
	🔴 -0.01	🔴 -0.01	🟢 +0	🟢 +0	🟢 +0	🟢 +0

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

[nik8n]

@imchairmanm I guess we don't want to have these things in as they mainly refer to expressions?