My migraines are getting worse and at work they've installed bright lights and flickering is there a connection? i'm so tired and emotional with this

YES: Many with migraines have light sensitivity: https://tinyurl.com/y22f4vde Fluorescent lights are esp. likely to cause this. It would be reasonable to ask your employer provide a workspace without harsh lights, but special glasses designed for this issue may help as well. See https://www.theraspecs.com/blog/fluorescent-light-sensitivity-causes-symptoms-solutions/