Add some ktlint properties

Those settings mostly match the styling in the project. We
don't enforce those rules, they are just for convenience for
setups with a coresponding IDE plugin.

.editorconfig

@@ -29,3 +29,12 @@ indent_style = space
 [Dockerfile]
 # indent_size = 4
 indent_style = space
+
+[*.{kt,kts}]
+max_line_length = 160
+ij_kotlin_allow_trailing_comma_on_call_site = false
+ij_kotlin_allow_trailing_comma = false
+
+ktlint_standard_no-wildcard-imports = disabled
+ktlint_standard_argument-list-wrapping = disabled
+ktlint_standard_multiline_if_else = disabled