move some package imports to iris.sty

docs/iris.sty

@@ -3,6 +3,13 @@
 
 \RequirePackage{tikz}
 \RequirePackage{scalerel}
+\RequirePackage{array}
+\RequirePackage{dashbox}
+\RequirePackage{tensor}
+\RequirePackage{xparse}
+\RequirePackage{xstring}
+\RequirePackage{mathtools}
+
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 %% SETUP

docs/setup.tex

@@ -8,7 +8,6 @@
 %% PACKAGES
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
-\usepackage{mathtools}
 %\usepackage{amsmath}
 \usepackage{amsfonts}
 \usepackage{amsthm}
@@ -17,12 +16,6 @@
 
 \usepackage{\basedir mathpartir}
 
-\usepackage{array}
-%\usepackage{tabu}
-
-\usepackage{dashbox}
-\usepackage{tensor}
-
 \usepackage{\basedir pftools}
 \usepackage{\basedir iris}
 
@@ -30,9 +23,6 @@
 
 \usepackage{graphicx}
 
-%\usepackage{rotating}
-\usepackage{xparse}
-\usepackage{xstring}
 \usepackage{semantic}
 \usepackage{csquotes}