Update ramp_rate attribute on encoded motor

[JessamyT]

Seems like this is the actual JSON attribute name as of viamrobotics/rdk#2905

[viambot]

Overall readability score: 54.45 (🟢 +0)

File	Readability
encoded-motor.md	11.86 (🟢 +0)

View detailed metrics

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

File	Readability	FRE	GF	ARI	CLI	DCRS
encoded-motor.md	11.86	9.9	19	22	15.1	9.53
	🟢 +0	🟢 +0	🟢 +0	🟢 +0	🟢 +0	🟢 +0

Averages:

	Readability	FRE	GF	ARI	CLI	DCRS
Average	54.45	45.92	10.86	13.36	11.9	7.78
	🟢 +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

[andf-viam]

Thanks for catching!

[viambot]

You can view a rendered version of the docs from this PR at https://docs-test.viam.dev/d9ca6d6cbf330c948d848fbd5ae68ab3c37ccc01/public