added linux install script

scripts/install_linux.sh

@@ -0,0 +1,36 @@
+#!/bin/sh
+groupadd docstore
+useradd -g docstore docstore
+mkdir /var/lib/docstore
+chown docstore: /var/lib/docstore
+mkdir /etc/docstore
+cat <<EOF> /etc/docstore/docstore.conf
+{
+	"run_dir": "/var/lib/docstore",
+	"listen_addr": "0.0.0.0:8080",
+	"secret": "$(openssl rand -hex 32)"
+	"langs": ["deu"],
+	"cmd_timeout": 6000,
+	"debug": true
+}
+EOF
+cat <<EOF> /etc/systemd/system/docstore.service
+[Unit]
+Description=DocStore
+After=syslog.target
+After=network.target
+
+[Service]
+Type=forking
+ExecStart=/usr/local/bin/docstore server -c /etc/docstore/docstore.conf
+Restart=always
+
+[Install]
+WantedBy=multi-user.target
+EOF
+systemctl enable docstore
+cat <<EOF
+copy your docstore binary to /usr/local/bin/docstore
+
+then run: systemctl start docstore
+EOF