Added rustfmt to crypto-native

crypto-jni/rustfmt.toml

@@ -0,0 +1,21 @@
+edition="2018"
+combine_control_expr = false
+wrap_comments = true
+brace_style = "PreferSameLine"
+enum_discrim_align_threshold = 20
+fn_single_line = true
+format_strings = true
+format_macro_matchers = true
+format_macro_bodies = true
+imports_granularity = "Crate"
+normalize_comments = true
+reorder_impl_items = true
+reorder_imports = true
+struct_field_align_threshold = 20
+trailing_semicolon = true
+type_punctuation_density = "Wide"
+use_field_init_shorthand = true
+use_try_shorthand = true
+format_code_in_doc_comments = true
+overflow_delimited_expr = true
+normalize_doc_attributes = true