add comprehensive documentation (#9537)

docs/misc/alpine-install.func/ALPINE_INSTALL_FUNC_USAGE_EXAMPLES.md

@@ -0,0 +1,24 @@
+# alpine-install.func Usage Examples
+
+Basic examples for Alpine container installation.
+
+### Example: Basic Alpine Setup
+
+```bash
+#!/usr/bin/env bash
+source /dev/stdin <<<"$FUNCTIONS_FILE_PATH"
+
+setting_up_container
+update_os
+
+# Install Alpine packages
+apk add --no-cache curl wget git
+
+motd_ssh
+customize
+cleanup_lxc
+```
+
+---
+
+**Last Updated**: December 2025