add pyright and buffer code folder, markdwon use mdflow

snippets/package.json

@@ -0,0 +1,19 @@
+{
+  "name":"my-snippets",
+  "contributes":{
+    "snippets":[
+      {
+        "language":[
+          "go"
+        ],
+        "path":"./go.json"
+      },
+      {
+        "language":[
+          "markdown"
+        ],
+        "path":"./markdown.json"
+      }
+    ]
+  }
+}