Setup devcontainer (#2)

.devcontainer/devcontainer.json

@@ -0,0 +1,46 @@
+{
+    "name": "qupsy",
+    "image": "mcr.microsoft.com/devcontainers/python:1-3.12-bullseye",
+    "features": {
+        "ghcr.io/devcontainers/features/common-utils:2": {
+            "installZsh": true,
+            "configureZshAsDefaultShell": true,
+            "installOhMyZsh": true,
+            "installOhMyZshConfig": true,
+            "upgradePackages": true,
+            "username": "automatic",
+            "userUid": "automatic",
+            "userGid": "automatic"
+        }
+    },
+    "customizations": {
+        "vscode": {
+            "extensions": [
+                "ms-python.black-formatter",
+                "ms-python.python",
+                "ms-python.vscode-pylance",
+                "ms-python.isort",
+                "tamasfe.even-better-toml"
+            ],
+            "settings": {
+                "python.languageServer": "Pylance",
+                "python.analysis.typeCheckingMode": "strict",
+                "python.analysis.autoImportCompletions": true,
+                "[python]": {
+                    "editor.defaultFormatter": "ms-python.black-formatter",
+                    "editor.formatOnSave": true,
+                    "editor.codeActionsOnSave": {
+                        "source.organizeImports": "explicit"
+                    },
+                    "diffEditor.ignoreTrimWhitespace": false,
+                    "editor.wordBasedSuggestions": "off"
+                },
+                "isort.args": [
+                    "--profile",
+                    "black"
+                ]
+            }
+        }
+    },
+    "postCreateCommand": "sudo pip install -e \".[dev,test]\""
+}

.github/dependabot.yml

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+version: 2
+updates:
+  - package-ecosystem: devcontainers
+    directory: /
+    schedule:
+      interval: weekly
+