Docs: add navigation guidance for CMS

[imatwawana]

Adds guidance for finding draft and review entries in the CMS.

[github-actions]

Overall readability score: 60.86 (🟢 +0)

File	Readability
index.md	72.4 (🟢 +0.1)

View detailed metrics

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

File	Readability	FRE	GF	ARI	CLI	DCRS
index.md	72.4	56.96	8.7	9.3	9.97	6.6
	🟢 +0.1	🔴 -0.2	🔴 -0.01	🟢 +0	🟢 +0.06	🟢 +0.02

Averages:

	Readability	FRE	GF	ARI	CLI	DCRS
Average	60.86	47.78	9.56	11.6	12.05	7.31
	🟢 +0	🟢 +0	🟢 +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

[jdbaldry]

LGTM!