Update control files.

.devcontainer/devcontainer.json

@@ -12,11 +12,12 @@
 		"vscode": {
 			"extensions": [
 				"arr.marksman",
-				"mjmlio.vscode-mjml",
 				"davidanson.vscode-markdownlint",
 				"ecmel.vscode-html-css",
 				"redhat.vscode-yaml",
-				"yzhang.markdown-all-in-one"
+				"yzhang.markdown-all-in-one",
+				"jsynowiec.vscode-insertdatestring",
+				"netcorext.uuid-generator"
 			]
 		}	
 	},