Add Slack Trigger node

[Joffcom]

trafficstars

https://github.com/n8n-io/n8n/pull/9190

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[github-actions[bot]]

Overall readability score: 45.26 (🟢 +0.01)

File	Readability
slack.md	80.65 (🟢 +0)
n8n-nodes-base.slacktrigger.md	51.7 (-)

View detailed metrics

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

File	Readability	FRE	GF	ARI	CLI	DCRS
slack.md	80.65	67.35	6.49	8.8	10.02	5.95
	🟢 +0	🟢 +0	🟢 +0	🟢 +0	🟢 +0	🟢 +0
n8n-nodes-base.slacktrigger.md	51.7	55.88	12.85	14.3	10.68	8.2
	-	-	-	-	-	-

Averages:

	Readability	FRE	GF	ARI	CLI	DCRS
Average	45.26	39	11.9	14.37	13.53	8.56
	🟢 +0.01	🟢 +0.02	🟢 +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