Could someone please teach me how to do this from your own experience?

I am so grateful to be recently married. I can't believe someone that I was worth being with for the rest of his life. It's hard for me to believe because I have history of people disliking me. When I was in school people didn't like me, of course that happens to a lot of people but in my case I didn't have a single friend or person to hang out with outside of school. I had to latch on to people and sat with them until they told me 'no one likes you here, why do you sit with us'. I lacked social skills and was deeply insecure to the point that I should have been in therapy and my home life had alcohol abuse and verbal abuse so I couldn't grow socially in my home life or at school. In college, it was the same thing, so I joined a sorority and bought my friends- that is exactly what I did. I was so grateful to have people talk to me and that they had to at least try to be social with me consistently. How sad- right? Then I joined a very active church and have grown socially through that by leaps and bounds. Some people still don't like me at church- which I know is normal- not everyone is going to like you. I am ok with that. What's hard is: People HATE me at work. I believe it's because I am dull and don't offer anything entertaining to the conversation. I am nice but not fun. I say generic things and I don't gossip about people so I am not an outlet for venting and trashing people. Another reason they hate me at work is because a friend that I trusted turned on me at work and strives to get two coworkers that don't like me to alienate me as much as possible. I was okay with our friendship dissipating but then when he got malicious, it was surprise and it was annoying. It's not at the point that HR should be brought in. I don't have the social skills to win people over. How do I deal with this? I have never been funny or a crowd-pleaser. I would like to be entertain socially but I am not sure how? I notice that if people are funny and entertaining socially they win more friends and get people to agree with their opinions. I am so tired of not being heard and being treated like undesirable company. HOW DOES A PERSON LEARN TO BE ENTERTAINING SOCIALLY?