Added Dev-container support (#598)

For ease of development.

.devcontainer/devcontainer.json

@@ -0,0 +1,43 @@
+// For format details, see https://aka.ms/devcontainer.json. For config options, see the
+// README at: https://github.com/devcontainers/templates/tree/main/src/java
+{
+	"name": "ktlin-maven-plugin",
+	"image": "mcr.microsoft.com/devcontainers/java:1-11-bookworm",
+
+	"features": {
+		"ghcr.io/devcontainers/features/java:1": {
+			"version": "none",
+			"installMaven": "true",
+			"installGradle": "false"
+		},
+        "ghcr.io/devcontainers/features/common-utils:2": {
+			"installZsh": true,
+			"configureZshAsDefaultShell": true,
+			"installOhMyZsh": true
+		},
+		"ghcr.io/devcontainers/features/github-cli:1": {},
+		"ghcr.io/devcontainers-contrib/features/apt-get-packages:1": {
+			"packages": "fzf grc shellcheck zoxide"
+		},
+		"ghcr.io/devcontainers-contrib/features/fd:1": {},
+		"ghcr.io/devcontainers-contrib/features/ripgrep:1": {},
+		"ghcr.io/devcontainers-contrib/features/shfmt:1": {},
+		"ghcr.io/devcontainers-contrib/features/starship:1": {},
+		"ghcr.io/devcontainers-contrib/features/zsh-plugins:0": {
+			"plugins": "dirhistory fd fzf git-escape-magic gh git grc ripgrep starship sudo zoxide zsh-autosuggestions zsh-syntax-highlighting",
+			"omzPlugins": "https://github.com/zsh-users/zsh-autosuggestions https://github.com/zsh-users/zsh-syntax-highlighting.git"
+		}
+	}
+
+	// Use 'forwardPorts' to make a list of ports inside the container available locally.
+	// "forwardPorts": [],
+
+	// Use 'postCreateCommand' to run commands after the container is created.
+	// "postCreateCommand": "java -version",
+
+	// Configure tool-specific properties.
+	// "customizations": {},
+
+	// Uncomment to connect as root instead. More info: https://aka.ms/dev-containers-non-root.
+	// "remoteUser": "root"
+}

.github/dependabot.yml

@@ -63,3 +63,8 @@ updates:
   schedule:
     interval: weekly
     day: saturday
+- package-ecosystem: devcontainers
+  directory: "/"
+  schedule:
+    interval: weekly
+    day: saturday