Add step to install system dependencies on Alpine Linux

Author: mattt

.github/workflows/ci.yml

@@ -80,6 +80,9 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
+      - name: Install system dependencies
+        run: apk add --no-cache bash curl jq gnupg
+
       - name: Setup Swift
         uses: vapor/[email protected]
         with:

README.md

@@ -17,7 +17,7 @@ Swift implementation of the [Model Context Protocol][mcp] (MCP).
 | visionOS | 1.0+ |
 | Linux | ✓ [^1] |
 
-[^1]: Linux support requires glibc-based distributions such as Ubuntu, Debian, Fedora, CentOS, or RHEL. Alpine Linux and other musl-based distributions are not supported.
+[^1]: Linux support includes glibc-based distributions (Ubuntu, Debian, Fedora, CentOS, RHEL) and musl-based distributions (Alpine Linux).
 
 ## Installation