[#6] pre-commit: Add initial configuration

Signed-off-by: Evgenii Stratonikov <e.stratonikov@yadro.com>

.gitignore

@@ -1,3 +1,3 @@
 .idea
 .vscode
-*.out
+*.out

.pre-commit-config.yaml

@@ -0,0 +1,19 @@
+ci:
+  autofix_prs: false
+
+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v4.4.0
+    hooks:
+    - id: check-added-large-files
+    - id: check-case-conflict
+    - id: check-executables-have-shebangs
+    - id: check-shebang-scripts-are-executable
+    - id: check-merge-conflict
+    - id: check-json
+    - id: check-xml
+    - id: check-yaml
+    - id: trailing-whitespace
+      args: [--markdown-linebreak-ext=md]
+    - id: end-of-file-fixer
+      exclude: ".key$"

.travis.yml

@@ -14,4 +14,4 @@ after_success:
   - bash <(curl -s https://codecov.io/bash)
 matrix:
   allow_failures:
-    - go: tip
+    - go: tip

README.md

@@ -54,7 +54,7 @@ package main
 
 import (
 	"fmt"
-	
+
 	"git.frostfs.info/TrueCloudLab/hrw"
 )
 
@@ -89,4 +89,4 @@ func main() {
 	// trying GET one.example.com/examples/object-key
 	// trying GET four.example.com/examples/object-key
 }
-```
+```