Update issue templates

.github/ISSUE_TEMPLATE/-📝-docs.md

@@ -1,7 +1,7 @@
 ---
 name: "\b\U0001F4DD Docs"
 about: 문서화
-title: "\bDocs: "
+title: "\b\U0001F4DD"
 labels: "\U0001F4DD Docs"
 assignees: jeongyun1206
 

.github/ISSUE_TEMPLATE/♻️-refactor.md

@@ -1,7 +1,7 @@
 ---
 name: "♻️ Refactor"
 about: 리팩토링
-title: 'Refactor: '
+title: "♻️"
 labels: "♻️ Refactor"
 assignees: jeongyun1206
 

.github/ISSUE_TEMPLATE/⚙️-feat.md

@@ -1,7 +1,7 @@
 ---
 name: "⚙️ Feat"
 about: 새롭게 구현해야하는 기능
-title: 'Feat: 기능 이름'
+title: "⚙️"
 labels: "⚙️ Feature"
 assignees: ''
 

.github/ISSUE_TEMPLATE/✅-test.md

@@ -1,7 +1,7 @@
 ---
 name: "✅ Test"
 about: 테스트코드 작성
-title: 'Test: '
+title: "✅"
 labels: "✅ Test"
 assignees: jeongyun1206
 

.github/ISSUE_TEMPLATE/🖌️-style.md

@@ -1,7 +1,7 @@
 ---
 name: "\U0001F58C️ Style"
 about: 코드 스타일 변경
-title: 'Style: '
+title: "\U0001F58C️"
 labels: "✒️ Style"
 assignees: jeongyun1206
 

.github/ISSUE_TEMPLATE/🛠️-fix.md

@@ -1,7 +1,7 @@
 ---
 name: "\U0001F6E0️ Fix"
 about: 버그 수정
-title: 'Fix: '
+title: "\U0001F6E0️"
 labels: "\U0001F6E0️ Fix"
 assignees: ''