mmproxy: Add a few contrib scripts

bin/darkfi-mmproxy/contrib/.gitignore

@@ -0,0 +1 @@
+monero

bin/darkfi-mmproxy/contrib/build-monerod.sh

@@ -0,0 +1,11 @@
+#!/bin/sh
+set -e
+
+MONERO_VERSION="0.18"
+
+if ! [ -d "monero" ]; then
+	git clone "https://github.com/monero-project/monero" \
+		-b "release-v${MONERO_VERSION}" monero --recursive
+fi
+
+make -C monero release

bin/darkfi-mmproxy/contrib/start-monerod.sh

@@ -0,0 +1,14 @@
+#!/bin/sh
+set -e
+
+MONERO_VERSION="0.18"
+
+MONEROD_BIN="./monero/build/Linux/release-v${MONERO_VERSION}/release/bin/monerod"
+
+if ! [ -f "$MONEROD_BIN" ]; then
+	echo "Could not find monerod, perhaps run ./build-monerod.sh first?"
+	exit 1
+fi
+
+"${MONEROD_BIN}" --testnet --fixed-difficulty 2 \
+	--offline --hide-my-port --log-level 4