Add km3io to std requirements

setup.cfg

@@ -50,6 +50,7 @@ install_requires =
     pandas
     mendeleev
     proposal>=7.5.1
+    km3io
 python_requires = >=3.6
 include_package_data = True
 package_dir =
@@ -80,11 +81,11 @@ dev =
     setuptools_scm
     yapf>=0.25
     km3net-testdata>=0.2.11
-    km3io
 
 [options.entry_points]
 console_scripts =
     km3buu = km3buu.cmd:main
+    init4buu = km3buu.utils.initials:main
 
 [options.package_data]
 * = *.mplstyle, *.py.typed