Setup editorconfig

.editorconfig

@@ -0,0 +1,39 @@
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[*.vala]
+indent_size = 4
+indent_style = tab
+insert_final_newline = true
+max_line_length = 100
+
+[*.{c,h}]
+indent_size = 2
+indent_style = space
+insert_final_newline = true
+max_line_length = 100
+
+[*.css]
+indent_size = 2
+indent_style = space
+
+[*.{ui,xml,xml.in}]
+indent_size = 2
+indent_style = space
+
+[*.py]
+indent_size = 4
+indent_style = space
+
+[*.json]
+indent_style = space
+indent_size = 4
+
+[meson.build]
+indent_size = 2
+indent_style = space