chore: initiate a devcontainer

Easier to create a temporary workspace.

Author: Guilhem Bonnefille

.devcontainer/Dockerfile

@@ -0,0 +1,11 @@
+FROM mcr.microsoft.com/devcontainers/python:3.9
+
+# Install system dependencies
+RUN apt-get update && apt-get install -y \
+    build-essential \
+    python3-pip \
+    twine \
+    git \
+    && apt-get clean
+
+    RUN pip install pytest

.devcontainer/devcontainer.json

@@ -0,0 +1,15 @@
+{
+    "name": "Pesto Dev Container",
+    "build": {
+        "dockerfile": "Dockerfile"
+    },
+    "settings": {
+        "python.pythonPath": "/usr/local/bin/python"
+    },
+    "extensions": [
+        "ms-python.python",
+        "ms-python.vscode-pylance"
+    ],
+    "remoteUser": "vscode",
+    "postAttachCommand": "sudo chown -R vscode /workspaces"
+}