fix(snippets): update slug to use current date format

Author: Lemon73-Computing

.vscode/md.code-snippets

@@ -23,7 +23,7 @@
       "---",
       "title: ${1:Title}",
       "description: ${2:Description}",
-      "slug: ${3:slug}",
+      "slug: \"$CURRENT_MONTH$CURRENT_DATE\"",
       "date: $CURRENT_YEAR-$CURRENT_MONTH-$CURRENT_DATE $CURRENT_HOUR:$CURRENT_MINUTE:$CURRENT_SECOND+0900",
       "categories:",
       "  - ${4:category}",
@@ -44,7 +44,7 @@
       "---",
       "title: ${1:タイトル}",
       "description: ${2:説明}",
-      "slug: ${3:リンク}",
+      "slug: \"$CURRENT_MONTH$CURRENT_DATE\"",
       "date: $CURRENT_YEAR-$CURRENT_MONTH-$CURRENT_DATE $CURRENT_HOUR:$CURRENT_MINUTE:$CURRENT_SECOND+0900",
       "categories:",
       "  - ${4:カテゴリー}",