feat: Add Alpine GPG feature

README.md

@@ -11,6 +11,7 @@
 - [alpine-docker-outside-of-docker](https://github.com/cirolosapio/devcontainers-features/pkgs/container/devcontainers-features%2Falpine-docker-outside-of-docker)
 - [alpine-gh-cli](https://github.com/cirolosapio/devcontainers-features/pkgs/container/devcontainers-features%2Falpine-gh-cli)
 - [alpine-git](https://github.com/cirolosapio/devcontainers-features/pkgs/container/devcontainers-features%2Falpine-git)
+- [alpine-gpg](https://github.com/cirolosapio/devcontainers-features/pkgs/container/devcontainers-features%2Falpine-gpg)
 - [alpine-jq](https://github.com/cirolosapio/devcontainers-features/pkgs/container/devcontainers-features%2Falpine-jq)
 - [alpine-mage2postman](https://github.com/cirolosapio/devcontainers-features/pkgs/container/devcontainers-features%2Falpine-mage2postman)
 - [alpine-magento-cloud-cli](https://github.com/cirolosapio/devcontainers-features/pkgs/container/devcontainers-features%2Falpine-magento-cloud-cli)

src/alpine-gpg/README.md

@@ -0,0 +1,20 @@
+
+# alpine-gpg (alpine-gpg)
+
+Installs gpg on alpine
+
+## Example Usage
+
+```json
+"features": {
+    "ghcr.io/cirolosapio/devcontainers-features/alpine-gpg:0": {}
+}
+```
+
+
+
+
+
+---
+
+_Note: This file was auto-generated from the [devcontainer-feature.json](https://github.com/cirolosapio/devcontainers-features/blob/main/src/alpine-gpg/devcontainer-feature.json).  Add additional notes to a `NOTES.md`._

src/alpine-gpg/devcontainer-feature.json

@@ -0,0 +1,7 @@
+{
+  "name": "alpine-gpg",
+  "id": "alpine-gpg",
+  "version": "0.0.1",
+  "description": "Installs gpg on alpine",
+  "documentationURL": "https://github.com/cirolosapio/devcontainers-features/tree/main/src/alpine-gpg"
+}

src/alpine-gpg/install.sh

@@ -0,0 +1,9 @@
+#!/bin/sh
+
+set -e
+
+echo "Activating feature 'alpine-gpg'"
+
+apk --no-cache add gpg gpg-agent
+
+echo 'Done!'