chore(pre-commit): move rustfmt hook to `.pre-commit-config.yaml`

.githooks/pre-commit

@@ -1,11 +0,0 @@
-#!/bin/bash
-
-diff=$(cargo fmt -- --check)
-result=$?
-
-if [ ${result} -ne 0 ]; then
-    echo "There are some code formatting issues, run `cargo fmt` first."
-    exit 1
-fi
-
-exit 0

.pre-commit-config.yaml

@@ -0,0 +1,5 @@
+repos:
+-   repo: https://github.com/doublify/pre-commit-rust
+    rev: v1.0
+    hooks:
+    -   id: fmt