List of mentors, coaches and people who are here to help
It can be very hard to recommend skills and tools that can be the "basics" for everything. Some of these skills will depend on exactly what you eant to do, be it developer, tester or product owner just to name a few.
This cant be emphasised enough: One of the best things about technology is the way it can help those with such diverse backgrounds, life experiences and capabilities all work together to make things that are bigger than any one individual could even hope to create.
If any of the things listed below do not interest you, are not something you feel you could do or are not something you can do now that is okay. The things below may be helpful, you will figure out what is best for you as you explore them and push them into your "comfort zone" (that is, things you are comfortable doing):