Basic script, README, gitignore tweaks

.gitignore

@@ -0,0 +1 @@
+data

waku/README.md

@@ -14,7 +14,13 @@
 [nim-beacon-chain](https://github.com/status-im/nim-beacon-chain), with:
 
 > make VALIDATORS=192 NODES=6 USER_NODES=1 eth2_network_simulation
+> make USE_MULTITAIL="yes" eth2_network_simulation
+
 
 And progressively more sophisticated modes. That is, starting with a basic simulation, then testnet, multi client test net, monitoring, state simulation, and so on.
 
 For now, basics are enough. I.e. a few nodes that send some Waku envelopes between eachother.
+
+## To run
+
+`./start.sh`

waku/start.sh

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+#!/bin/bash
+
+set -eo pipefail
+
+SIM_ROOT="$(pwd)"
+SIMULATION_DIR="${SIM_ROOT}/data"
+WAKU_NODE_BIN="${SIMULATION_DIR}/waku_node"
+
+echo "$SIM_ROOT"
+
+cd "$SIM_ROOT"
+
+mkdir -p "$SIMULATION_DIR"
+
+# NIMFLAGS
+# DEFS
+
+# XXX: Right now this is shh basic client
+echo "Building $WAKU_NODE_BIN"
+
+echo "Running $WAKU_NODE_BIN"
+${WAKU_NODE_BIN}