rustfmt: use .rustfmt.toml for configuration

Author: mathstuf

rustfmt.toml renamed to .rustfmt.toml

@@ -1,6 +1,6 @@
-match_block_trailing_comma = true
 force_multiline_blocks = true
-report_todo = "Unnumbered"
+license_template_path = ".license.template"
+match_block_trailing_comma = true
 report_fixme = "Unnumbered"
+report_todo = "Unnumbered"
 struct_lit_single_line = false
-license_template_path = ".license.template"