Update mobile app instructions for accessing settings

[nataliajacobowitz]

Updating mobile docs to reflect new information architecture. This change shouldn't go out until it is merged. This is specific to 1.9.0

Description

Please include a summary of the change and what is does. Please also include relevant motivation and context.

[viambot]

Overall readability score: 55.6 (🟢 +0.01)

File	Readability
rbac.md	73 (🔴 -0.34)

View detailed metrics

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

File	Readability	FRE	GF	ARI	CLI	DCRS
rbac.md	73	48.91	6.88	10.9	11.19	5.71
	🔴 -0.34	🔴 -0.2	🔴 -0.1	🔴 -0.1	🟢 +0.05	🔴 -0.02

Averages:

	Readability	FRE	GF	ARI	CLI	DCRS
Average	55.6	47.46	10.64	13.21	12.08	7.61
	🟢 +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

[viambot]

You can view a rendered version of the docs from this PR at https://docs-test.viam.dev/2612