Update dev enviroment

.devcontainer.json

@@ -0,0 +1,13 @@
+{
+    "build": {
+      "dockerfile": "Dockerfile"
+    },
+    "customizations": {
+      "vscode": {
+        "extensions": [
+          "denoland.vscode-deno",
+          "ronnidc.nunjucks"
+        ]
+      }
+    }
+  }

compose-dev.yaml

@@ -2,4 +2,6 @@ version: "3.9"
 services:
   app:
     image: mario1159/1159cl
-    build: .
+    build: .
+    ports:
+      - 3000:3000