update: Add callout-manager plugin

Usefull for callout completion

.obsidian/plugins/callout-manager/data.json

@@ -0,0 +1,12 @@
+{
+  "callouts": {
+    "custom": [],
+    "settings": {}
+  },
+  "calloutDetection": {
+    "obsidianFallbackForced": false,
+    "obsidian": true,
+    "theme": true,
+    "snippet": true
+  }
+}

.obsidian/plugins/callout-manager/manifest.json

@@ -0,0 +1,10 @@
+{
+	"id": "callout-manager",
+	"version": "1.0.1",
+	"description": "An Obsidian.md plugin that makes creating and configuring callouts easy.",
+	"author": "eth-p",
+	"authorUrl": "https://github.com/eth-p",
+	"name": "Callout Manager",
+	"minAppVersion": "1.0.0",
+	"isDesktopOnly": false
+}