Add formatter config

.gitignore

@@ -5,7 +5,7 @@
 !.gitignore
 
 !Cargo.lock
-!Cargo.toml
 
 !*.md
 !*.rs
+!*.toml

.rustfmt.toml

@@ -0,0 +1,19 @@
+condense_wildcard_suffixes   = true
+enum_discrim_align_threshold = 25
+force_explicit_abi           = false
+force_multiline_blocks       = true
+format_code_in_doc_comments  = true
+format_macro_matchers        = true
+format_strings               = true
+group_imports                = "StdExternalCrate"
+hex_literal_case             = "Upper"
+imports_granularity          = "Crate"
+imports_layout               = "Vertical"
+match_block_trailing_comma   = true
+newline_style                = "Unix"
+normalize_comments           = true
+normalize_doc_attributes     = true
+reorder_impl_items           = true
+unstable_features            = true
+use_try_shorthand            = true
+wrap_comments                = true