Add initial DevContainer setup and configuration files (#1)

- Create .devcontainer/devcontainer.json for container environment setup
- Add postStartCommand.sh for provisioning system dependencies and configuration
- Include .gitignore to exclude task-related files
- Create .taskrc.yml to enable experimental features
- Add Taskfile.yml for task management and configuration
- Set up VSCode settings for integrated terminal using zsh

Co-authored-by: Thomas <thomas.hochstrasser@gmx.net>
Reviewed-on: #1

Taskfile.yml

@@ -0,0 +1,44 @@
+# https://taskfile.dev
+
+version: "3"
+
+vars:
+  # Global Configuration
+  CONAN2_CONFIG_URL: https://package-cloud.dns.army/ros2/conan2-config
+  CONAN2_CONFIG_BRANCH: main
+  CONAN2_CONFIG_TASKFILE_PATH: Taskfile.yml
+  CONAN_BUILD_VERSION: latest
+
+includes:
+  # Remote includes
+  conan2-config: "{{.CONAN2_CONFIG_URL}}/raw/branch/{{.CONAN2_CONFIG_BRANCH}}/{{.CONAN2_CONFIG_TASKFILE_PATH}}"
+
+  # Local modules
+
+tasks:
+  default:
+    desc: Show available tasks
+    silent: true
+    cmds:
+      - task: version
+      - task --list
+
+  version:
+    desc: Display component version information
+    silent: true
+    vars:
+      NAME_COMPONENT: repo-templates
+      URL_COMPONENT: https://package-cloud.dns.army/ros2/repo-templates
+      GIT_SHA:
+        sh: git rev-parse --short HEAD
+      GIT_REF:
+        sh: git rev-parse --abbrev-ref HEAD
+    cmds:
+      - printf "{{.B_MAGENTA}}Component{{.RESET}} - {{.CYAN}}{{.NAME_COMPONENT}}{{.RESET}}\n"
+      - printf "{{.B_MAGENTA}}URL{{.RESET}}       - {{.CYAN}}{{.URL_COMPONENT}}{{.RESET}}\n"
+      - printf "{{.B_MAGENTA}}Branch{{.RESET}}    - {{.CYAN}}{{.GIT_REF}} {{.B_WHITE}}{{.RESET}} - {{.B_MAGENTA}}Hash{{.RESET}} - {{.GREEN}}{{.GIT_SHA}}{{.RESET}}\n"
+
+  init:
+    desc: Sync dependencies
+    cmds:
+      - uv sync