Add and apply pre-commit config (basic fixers, rustfmt)

.pre-commit-config.yaml

@@ -0,0 +1,19 @@
+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v4.6.0
+    hooks:
+      - id: mixed-line-ending
+      - id: check-merge-conflict
+      - id: check-toml
+      - id: check-yaml
+      - id: check-added-large-files
+      - id: end-of-file-fixer
+      - id: trailing-whitespace
+      - id: no-commit-to-branch
+        args: [--branch, master]
+  - repo: https://github.com/doublify/pre-commit-rust
+    rev: v1.0
+    hooks:
+      - id: fmt
+        entry: cargo +stable fmt
+        name: format rust sources

LICENSE

@@ -11,4 +11,3 @@ ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-