removed all refs to genre_lst, made genre table confirm to id, name, added classes/routes for genre*, tweaked book format to accommodate multiple authors, etc. still 1-line, but with 12 / num of <authors, etc.> col wide form-controls

README

@@ -13,6 +13,12 @@ sudo apt install python3-pip python3-psycopg2 libpq-dev
 # --user sticks python libs in ~/.local/[bin|lib|share]
 pip3 install --user flask sqlalchemy flask-sqlalchemy flask-marshmallow SQLAlchemy-serializer flask-wtf flask-bootstrap marshmallow-sqlalchemy
 
+
+### alter db that was saved by:
+psql library
+	alter table genre_lst rename to genre;
+	alter table genre rename COLUMN genre to name;
+
 # run the web server by:
 python3 main.py