DOCS-1720: Include digital interrupts config and control

[skyleilani]

Add a control section for digital interrupts with Config Builder instructions.

Since analogs isn't in the scope of this ticket I can open a separate ticket to keep uniformity on the board page

[viambot]

Overall readability score: 55.42 (🔴 -0.01)

File	Readability
board-digital-interrupts.md	47.16 (🔴 -4.21)

View detailed metrics

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

File	Readability	FRE	GF	ARI	CLI	DCRS
board-digital-interrupts.md	47.16	42.51	12.95	14.7	12.94	7.7
	🔴 -4.21	🔴 -2.54	🔴 -0.33	🔴 -1.3	🔴 -0.7	🔴 -0.11

Averages:

	Readability	FRE	GF	ARI	CLI	DCRS
Average	55.42	47.25	10.67	13.25	12.1	7.61
	🔴 -0.01	🔴 -0.01	🟢 +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

[npentrel]

awesome! Thanks! Just one missing word, then good to merge

[viambot]

You can view a rendered version of the docs from this PR at https://docs-test.viam.dev/2650