Gymmaliyans/aliyathees guide meh

Wanna have more strength and maybe a itsy bitsy more mass

Around 6ft 70ish kg(wanna hit 80)

Overall strength is lacking never worked out before

Would like to have like a semi detailed plan on this stuff preferably no gym (do have access to one)

Maybe a bit of diet stuff (eating rice for lunch is basically a non negotiable)

Any help is appreciated ty