feature/add project readme snippets

.vscode/markdown.code-snippets

@@ -0,0 +1,49 @@
+{
+  "readme snippet": {
+    "prefix": ["readme", "README"],
+    "scope": "markdown",
+    "body": [
+      "<!-- FIXME title -->",
+      "",
+      "# APP NAME",
+      "",
+      "## INDEX",
+      "",
+      "- [ABOUT](#about)",
+      "- [LICENSE](#license)",
+      "- [ENVIRONMENT](#environment)",
+      "- [PREPARING](#preparing)",
+      "- [HOW TO USE](#how-to-use)",
+      "- [ABOUT](#about)",
+      "",
+      "---",
+      "",
+      "## ABOUT",
+      "",
+      "---",
+      "",
+      "## LICENSE",
+      "",
+      "---",
+      "",
+      "<!-- NOLICENSE or MIT? -->",
+      "[FIXME](./LICENSE)",
+      "",
+      "---",
+      "",
+      "## ENVIRONMENT",
+      "",
+      "---",
+      "",
+      "## PREPARING",
+      "",
+      "---",
+      "",
+      "## HOW TO USE",
+      "",
+      "---",
+      "",
+    ],
+  "description": "README.md snippet"
+  }
+}

README.md

@@ -85,7 +85,7 @@ application: react-app
 DOCKER_DEFAULT_PLATFORM=linux/amd64 copilot init
 ```
 
-> [!IMPORTANT] 
+> [!IMPORTANT]
 > copilot/以下のファイルを編集することで設定を変更できる。
 
 > [!NOTE]