chore!: refactor store protocol for readability

[danisharora099]

Problem

This PR just refactors the Store protocol class to make it more readable.

Notes

• is a general cleanup, and not part of any milestone

[github-actions]

size-limit report 📦

Path	Size	Loading time (3g)	Running time (snapdragon)	Total time
Waku core	30.75 KB (0%)	616 ms (0%)	253 ms (-4.87% 🔽)	868 ms
Waku Simple Light Node	312.24 KB (+0.06% 🔺)	6.3 s (+0.06% 🔺)	798 ms (+47.89% 🔺)	7.1 s
ECIES encryption	28.68 KB (0%)	574 ms (0%)	262 ms (-10.23% 🔽)	835 ms
Symmetric encryption	28.69 KB (0%)	574 ms (0%)	238 ms (-24.83% 🔽)	812 ms
DNS discovery	116.43 KB (0%)	2.4 s (0%)	525 ms (+3.04% 🔺)	2.9 s
Privacy preserving protocols	123.18 KB (0%)	2.5 s (0%)	500 ms (+3.78% 🔺)	3 s
Light protocols	30.53 KB (0%)	611 ms (0%)	255 ms (-9.92% 🔽)	865 ms
History retrieval protocols	29.72 KB (+0.13% 🔺)	595 ms (+0.13% 🔺)	235 ms (-19.25% 🔽)	829 ms
Deterministic Message Hashing	5.78 KB (0%)	116 ms (0%)	73 ms (+58.31% 🔺)	189 ms

[fryorcraken]

This is a breaking change , title of PR shoul dbe changed to chore!:

[fryorcraken]

cc @LordGhostX for doc update