Add support for liquidtestnet in production backend and nginx

production/electrs-start-liquidtestnet

@@ -0,0 +1,30 @@
+#!/usr/local/bin/zsh
+cd "$HOME/electrs"
+#source $HOME/.cargo/env
+#export PATH=$HOME/.cargo/bin:$PATH
+
+until false
+do
+	# patch code for FreeBSD
+	if grep XBS5 "$HOME/.cargo/registry/src/github.com-1ecc6299db9ec823/sysconf-0.3.4/src/raw.rs" ; then
+		grep -v XBS5 $HOME/.cargo/registry/src/github.com-1ecc6299db9ec823/sysconf-0.3.4/src/raw.rs > /tmp/foo && \
+		mv /tmp/foo $HOME/.cargo/registry/src/github.com-1ecc6299db9ec823/sysconf-0.3.4/src/raw.rs
+	fi
+
+	cargo run \
+		--release \
+		--features liquid \
+		--bin electrs \
+		-- \
+		-vv \
+		--asset-db-path "$HOME/asset_registry_testnet_db" \
+		--address-search \
+		--cors '*' \
+		--db-dir /electrs \
+		--network liquidtestnet \
+		--daemon-dir $HOME \
+		--http-addr '[::]:3004' \
+		--cookie 'foo:bar' \
+		--precache-scripts $HOME/electrs/contrib/popular-scripts.txt
+	sleep 1
+done