Added jekyll now dev container

repository-containers/github.com/barryclark/jekyll-now/.devcontainer/Dockerfile

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+#-----------------------------------------------------------------------------------------
+# Copyright (c) Microsoft Corporation. All rights reserved.
+# Licensed under the MIT License. See LICENSE in the project root for license information.
+#-----------------------------------------------------------------------------------------
+
+FROM ruby:2
+
+# Install git, process tools
+RUN apt-get update && apt-get -y install git procps
+
+# Clean up
+RUN apt-get autoremove -y \
+    && apt-get clean -y \
+    && rm -rf /var/lib/apt/lists/*
+
+# Install jekyll
+RUN gem install github-pages

repository-containers/github.com/barryclark/jekyll-now/.devcontainer/devcontainer.json

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+{
+    "name": "Jekyll Now",
+    "dockerFile": "Dockerfile",
+    "appPort": [
+        4000
+    ],
+    "extensions": [
+        "mrmlnc.vscode-scss"
+    ]
+}