add a issue template of bug report

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,38 @@
+---
+name: Bug report
+about: 不具合の報告
+title: ''
+labels: bug
+assignees: ''
+
+---
+
+**Describe the bug / 不具合の説明**
+A clear and concise description of what the bug is.
+
+**To Reproduce / 再現手順**
+Steps to reproduce the behavior:
+1. Go to '...'
+2. Click on '....'
+3. Scroll down to '....'
+4. See error
+
+**Expected behavior / 期待した動作**
+A clear and concise description of what you expected to happen.
+
+**Screenshots / スクリーンショット**
+If applicable, add screenshots to help explain your problem.
+
+**Environment / 動作環境**
+ - OS: 
+ - Browser: 
+ - tDiary Version:
+
+**Smartphone (please complete the following information):**
+ - Device: [e.g. iPhone6]
+ - OS: [e.g. iOS8.1]
+ - Browser [e.g. stock browser, safari]
+ - Version [e.g. 22]
+
+**Additional context**
+Add any other context about the problem here.

.github/ISSUE_TEMPLATE/release-checklist.md

@@ -1,7 +1,7 @@
 ---
 name: release checklist
 about: 毎回のリリース作業チェックリストを提供する
-title: 'X.Y.Z リリース作業 on YYYY-MM-29'
+title: X.Y.Z リリース作業 on YYYY-MM-29
 labels: release
 assignees: ''