Set indent_size for shell script to 4

Gerschtli · t184256 · commit b7ad1d5d0856 · 2020-01-04T00:54:01.000+01:00
diff --git a/.editorconfig b/.editorconfig
@@ -7,3 +7,6 @@ end_of_line = lf
 charset = utf-8
 trim_trailing_whitespace = true
 insert_final_newline = true
+
+[*.sh]
+indent_size = 4
