Restructure start script, extract provider specific scripts and add support for fetching configs from URL

openvpn/nordvpn/configure-openvpn.sh

@@ -0,0 +1,19 @@
+#! /bin/bash
+
+NORDVPN_PROTOCOL=${NORDVPN_PROTOCOL:-UDP}
+export NORDVPN_PROTOCOL
+
+NORDVPN_CATEGORY=${NORDVPN_CATEGORY:-P2P}
+export NORDVPN_CATEGORY
+
+
+if [[ -n $OPENVPN_CONFIG ]]; then
+    tmp_Protocol="${OPENVPN_CONFIG##*.}"
+    export NORDVPN_PROTOCOL=${tmp_Protocol^^}
+    echo "Setting NORDVPN_PROTOCOL to: ${NORDVPN_PROTOCOL}"
+    ${VPN_PROVIDER_HOME}/updateConfigs.sh --openvpn-config
+elif [[ -n $NORDVPN_COUNTRY ]]; then
+    export OPENVPN_CONFIG=$(${VPN_PROVIDER_HOME}/updateConfigs.sh)
+else
+    export OPENVPN_CONFIG=$(${VPN_PROVIDER_HOME}/updateConfigs.sh --get-recommended)
+fi