Add the bare metal simple install script as example

deployments/examples/bare-metal-simple/README.md

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+# Simple Bare Metal Install
+
+This install script downloads and installs the OpenCloud binary and
+configures it in a sandbox directory in the folder where you called
+the install script. It also adds a start script called `runopencloud.sh`
+to start OpenCloud later.
+
+The installation only consists of the bare minimum functionality 
+without web office and other optional components. Also, it is bound
+to localhost and has no valid certificates. ** It is only
+useful for simple test- and demo cases and not for production.**
+
+To use OpenCloud, start it with the start script and head your
+browser to https://localhost:9200. The invalid certificate  must
+be acknowledged in the browser.
+
+The demo users (eg. alan / demo) are enabled, the admin password
+is surprisingly `admin`.
+
+This script should **NOT** be run as user root.
+
+# Options
+
+## Version
+
+Set the environment variable `OC_VERSION` to the version you want
+to download. If not set, there is a reasonable default. 
+
+# Example
+
+Call
+
+```
+OC_VERSION="1.0.0" ./install.sh
+``` 
+to install the OpenCloud version 1.0.0
+
+There is also a hosted version of this script that makes it even
+easier:
+
+```
+curl -L https://opencloud.eu/oc-install.sh | bash -x 
+```
+

deployments/examples/bare-metal-simple/install.sh

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+#!/bin/bash
+
+set -euo pipefail
+
+#
+# Quick and dirty quickstart script to fire up a local OpenCloud instance.
+# Klaas Freitag <k.freitag@opencloud.eu>
+#
+
+# This script supports the following environment variables:
+#   OC_VERSION: Version to download, e.g. OC_VERSION="1.2.0"
+
+# Call this script directly from opencloud:
+# curl -L https://opencloud.eu/quickinstall.sh | /bin/bash
+
+# This function is borrowed from openSUSEs /usr/bin/old, thanks.
+function backup_file () {
+    local DATESTRING=`date +"%Y%m%d"`
+
+    i=${1%%/}
+    if [ -e "$i" ] ; then
+        local NEWNAME=$i-$DATESTRING
+        local NUMBER=0
+        while [ -e "$NEWNAME" ] ; do
+            NEWNAME=$i-$DATESTRING-$NUMBER
+            let NUMBER=$NUMBER+1
+        done
+        echo moving "$i" to "$NEWNAME"
+        if [ "${i:0:1}" = "-" ] ; then
+            i="./$i"
+            NEWNAME="./$NEWNAME"
+        fi
+        mv "$i" "$NEWNAME"
+    fi
+}
+
+# URL pattern of the download file
+# https://github.com/opencloud-eu/opencloud/releases/download/v1.0.0/opencloud-1.0.0-linux-amd64
+
+dlversion="${OC_VERSION:-1.0.0}"
+dlurl="https://github.com/opencloud-eu/opencloud/releases/download/v${dlversion}/"
+
+sandbox="opencloud-sandbox-${dlversion}"
+
+# Create a sandbox
+[ -d "./${sandbox}" ] && backup_file ${sandbox}
+mkdir ${sandbox} && cd ${sandbox}
+
+# The operating system
+os="linux"
+
+if [[ $OSTYPE == 'darwin'* ]]; then
+  os="darwin"
+fi
+
+# The platform
+dlarch="amd64"
+
+if [[ $(uname -s) == "Darwin" && $(uname -m) == "arm64" ]]; then
+    dlarch="arm64"
+fi
+
+# ...results in the download file
+dlfile="opencloud-${dlversion}-${os}-${dlarch}"
+
+# download
+echo "Downloading ${dlurl}/${dlfile}"
+
+curl -L -o "${dlfile}" --progress-bar "${dlurl}/${dlfile}"
+chmod 755 ${dlfile}
+
+mkdir data config
+
+export OC_CONFIG_DIR="$(pwd)/config"
+export OC_BASE_DATA_PATH="$(pwd)/data"
+
+# It is bound to localhost for now to deal with non existing routes
+# to certain host names for example in WSL
+host="localhost"
+
+./${dlfile} init --insecure yes --ap admin
+
+echo '#!/bin/bash
+SCRIPT_DIR="$(dirname "$(readlink -f "${0}")")"
+cd "${SCRIPT_DIR}"' > runopencloud.sh
+
+echo "export OC_CONFIG_DIR=${OC_CONFIG_DIR}
+export OC_BASE_DATA_PATH=${OC_BASE_DATA_PATH}
+
+export OC_INSECURE=true
+export OC_URL=https://${host}:9200
+export IDM_CREATE_DEMO_USERS=true
+export PROXY_ENABLE_BASIC_AUTH=true
+export OC_LOG_LEVEL=warning
+
+./"${dlfile}" server
+" >> runopencloud.sh
+
+chmod 755 runopencloud.sh
+
+echo "Connect to OpenCloud via https://${host}:9200"
+echo ""
+echo "*** This is a fragile test setup, not suitable for production! ***"
+echo "    If you stop this script now, you can run your test OpenCloud again"
+echo "    using the script ${sandbox}/runopencloud.sh"
+echo ""
+
+./runopencloud.sh
+