Lubbock native Kat Albert didn’t set out to be a filmmaker and certainly not the founder of this weekend’s inaugural Lake Travis Film Festival. Years ago, the former advertising agency owner said she was at a crossroads on what to do next after selling her company. Spending the following year writing seven screenplays, Albert realized none of them would be turned into a production unless she learned how to make films. So she went back to school, enrolling in a non-degree radio-television-film production lab program at the University of Texas at Austin where she learned all aspects of a set crew, from camera operator to director. “In the beginning, nobody…