diff --git a/.gitignore b/.gitignore
index d66f6bc..63a000b 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,17 +1,15 @@
+.*
+!.gitignore
+
 # Ignore cargo lock file.
-*.lock
+Cargo.lock
 
 # Ignore target directory.
 /target
 
 # Ignore crappy mac files.
-.DS_Store
-
 # Ignore files ending in ".nogit".
 *.nogit
 
 # Ignore the info module generated by build.
 /src/info.rs
-
-# Ignore benchs dir.
-/benchs/
\ No newline at end of file
diff --git a/rustfmt.toml b/rustfmt.toml
new file mode 100644
index 0000000..3a26366
--- /dev/null
+++ b/rustfmt.toml
@@ -0,0 +1 @@
+edition = "2021"