Recommended Modding Guides:

SEPTIM Modding Guide
https://www.nexusmods.com/skyrimspecialedition/mods/2846/

Skyrim Reborn - Ultimate Locations Guide
https://www.nexusmods.com/skyrimspecialedition/mods/18135



Now for the Deity enhancements:

Boethiah's Bidding
https://www.nexusmods.com/skyrimspecialedition/mods/18854

Daedric Cloaks 
https://www.nexusmods.com/skyrimspecialedition/mods/9530

DERP
https://www.nexusmods.com/skyrimspecialedition/mods/3604

Divine Cloaks
https://www.nexusmods.com/skyrimspecialedition/mods/9304

Enaisiaion's stuff (take your pick -definitely get Wintersun)
https://www.nexusmods.com/skyrimspecialedition/users

Frank's stuff (take your pick - definitely get the deity related stuff)
https://www.nexusmods.com/Users/2531318

HeirOfTheSeptims' stuff (take your pick - definitely get the deity related stuff)
https://www.nexusmods.com/skyrimspecialedition/mods/17540

Immersive Jewelry
https://www.nexusmods.com/skyrim/mods/64283

Mihail's stuff (take your pick - definitely get the deity related stuff)
https://www.nexusmods.com/users/37834630

Namira for Good Guys
https://www.nexusmods.com/skyrimspecialedition/mods/336

Ritual Armor of Boethiah
https://www.nexusmods.com/skyrimspecialedition/mods/8110

Ronnie's stuff (take your pick - definitely get the deity related stuff)
https://www.nexusmods.com/skyrimspecialedition/users/2931683