fix(community): 전체보기 그리드 여백과 배경을 리스트와 맞춘다

app/src/main/res/drawable/bg_round_corner_5_3_263238.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+    <solid android:color="#263238" />
+    <corners android:radius="5.3dp" />
+    <stroke
+        android:width="1dp"
+        android:color="#263238" />
+</shape>