Fix recurring vale errors

[louis-md]

Solves https://github.com/safe-global/developer-experience/issues/342

[github-actions]

Branch preview

✅ Deployed successfully in branch deployment:

https://fix_recurring_vale_errors--docs.review.5afe.dev

[github-actions]

Overall readability score: 35.37 (🟢 +0)

File	Readability
onramp.mdx	50.99 (🟢 +1.77)
safe-4337-pack.mdx	59.87 (🟢 +0)
add-or-edit-chain.mdx	85.83 (🟢 +0)
4337-safe.mdx	42.06 (🟢 +0)

View detailed metrics

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

File	Readability	FRE	GF	ARI	CLI	DCRS
onramp.mdx	50.99	38.01	9.6	14.1	14.61	7.6
	🟢 +1.77	🟢 +0.2	🟢 +0.64	🟢 +0	🟢 +0	🟢 +0.2
safe-4337-pack.mdx	59.87	34.02	8.18	11.8	14.43	6.51
	🟢 +0	🟢 +0	🟢 +0	🟢 +0	🟢 +0	🟢 +0
add-or-edit-chain.mdx	85.83	70.19	6.49	6.6	8.79	6.02
	🟢 +0	🟢 +0	🟢 +0	🟢 +0	🟢 +0	🟢 +0
4337-safe.mdx	42.06	46.51	14.91	15.3	12.36	8.43
	🟢 +0	🟢 +0	🟢 +0	🟢 +0	🟢 +0	🟢 +0

Averages:

	Readability	FRE	GF	ARI	CLI	DCRS
Average	35.37	31.3	13.23	16.66	15.26	8.74
	🟢 +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