- Fix start failure by systemd

* Make sure /etc/shadowsocks can be read by shadowsocks user
  * Create the PID under /run/shadowsocks

OBS-URL: https://build.opensuse.org/package/show/server:proxy/shadowsocks-libev?expand=0&rev=59

shadowsocks-libev-client.service

@@ -0,0 +1,28 @@
+[Unit]
+Description=Daemon to start Shadowsocks-libev-client
+Wants=network-online.target
+After=network.target
+
+[Service]
+# added automatically, for details please see
+# https://en.opensuse.org/openSUSE:Security_Features#Systemd_hardening_effort
+ProtectSystem=full
+ProtectHome=true
+PrivateDevices=true
+ProtectHostname=true
+ProtectClock=true
+ProtectKernelTunables=true
+ProtectKernelModules=true
+ProtectKernelLogs=true
+ProtectControlGroups=true
+RestrictRealtime=true
+# end of automatic additions 
+Type=forking
+PIDFile=/run/shadowsocks/shadowsocks-libev-client.pid
+ExecStart=/usr/bin/ss-local -c /etc/shadowsocks/shadowsocks-libev-config.json -f /run/shadowsocks/shadowsocks-libev-client.pid -u --fast-open
+Restart=on-failure
+User=shadowsocks
+Group=shadowsocks
+
+[Install]
+WantedBy=multi-user.target