added devcontainer configuration

.devcontainer/devcontainer.json

@@ -0,0 +1,19 @@
+{
+	"name": "Pumpkin",
+	"image": "mcr.microsoft.com/devcontainers/base:noble",
+	"features": {
+		"ghcr.io/devcontainers/features/rust:1": {}
+	},
+	"mounts": [
+		// mount SSH config & public keys from host to enable SSH-based Git remotes
+		"source=${localEnv:HOME}${localEnv:USERPROFILE}/.ssh,target=/home/vscode/.ssh,readonly,type=bind"
+	],
+	"customizations": {
+		"vscode": {
+			"extensions": [
+				"eamodio.gitlens",
+				"Swellaby.rust-pack"
+			]
+		}
+	}
+}

.github/dependabot.yml

@@ -0,0 +1,12 @@
+# To get started with Dependabot version updates, you'll need to specify which
+# package ecosystems to update and where the package manifests are located.
+# Please see the documentation for more information:
+# https://docs.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
+# https://containers.dev/guide/dependabot
+
+version: 2
+updates:
+ - package-ecosystem: "devcontainers"
+   directory: "/"
+   schedule:
+     interval: weekly