add dev container for vscode

.devcontainer/Dockerfile

@@ -0,0 +1,18 @@
+FROM mcr.microsoft.com/vscode/devcontainers/python:3.8
+
+RUN apt-get update && apt-get install -y \
+    git \
+    && apt-get clean \
+    && rm -rf /var/lib/apt/lists/*
+
+WORKDIR /workspace
+
+COPY . .
+
+RUN pip install -r docs/pip-requirements.txt
+
+ENV MKDOCS_PORT=8000
+
+EXPOSE ${MKDOCS_PORT}
+
+CMD ["mkdocs", "serve", "-a", "0.0.0.0:8000"]

.devcontainer/devcontainer.json

@@ -0,0 +1,21 @@
+{
+    "name": "Caliper Development",
+    "context": "..",
+    "dockerFile": "Dockerfile",
+    "customizations": {
+        "vscode": {
+            "settings": {
+                "terminal.integrated.shell.linux": "/bin/bash",
+                "python.defaultInterpreterPath": "/usr/local/bin/python"
+            },
+            "extensions": [
+                "ms-python.python",
+                "esbenp.prettier-vscode",
+                "ms-azuretools.vscode-docker"
+            ]
+        }
+    },
+    "postCreateCommand": "cd docs && pip install -r pip-requirements.txt && mkdocs build",
+    "remoteUser": "vscode",
+    "forwardPorts": [8000] 
+}