Adjust .editorconfig so IntelliJ IDEA formatting matches code style

"Optimize imports" and "reformat code" might behave differently
due to https://youtrack.jetbrains.com/issue/IDEA-241101

"Class count to use import with *" and "names count to use import with *"
needs to be adjusted manually to 999.

.editorconfig

@@ -1,6 +1,7 @@
 root = true
 
 [*]
+max_line_length = 100
 trim_trailing_whitespace = true
 insert_final_newline = true
 charset = utf-8
@@ -18,6 +19,20 @@ trim_trailing_whitespace = false
 
 [*.java]
 indent_size = 2
+ij_continuation_indent_size = 4
+# Doc: https://youtrack.jetbrains.com/issue/IDEA-170643#focus=streamItem-27-3708697.0-0
+# $ means "static"
+ij_java_wrap_long_lines = true
+ij_java_wrap_comments = true
+ij_java_imports_layout = $*,|,*
+ij_java_use_single_class_imports = true
+# Below does not seem to work as of 2021.1.1 even though
+# https://youtrack.jetbrains.com/issue/IDEA-225733 is resolved
+wildcard_import_limit = 999
+ij_kotlin_name_count_to_use_star_import = 999
+ij_kotlin_name_count_to_use_star_import_for_members = 999
+ij_java_class_count_to_use_import_on_demand = 999
+ij_java_names_count_to_use_import_on_demand = 999
 
 [*.js]
 indent_size = 2