fix: include timestamp in curl command (#31)

Co-authored-by: Vaclav Pavlin <vaclav@status.im>

.gitignore

@@ -1,4 +1,5 @@
 **/.DS_Store
+.env
 keystore
 postgresql
 rln_tree

README.md

@@ -14,7 +14,7 @@ You need:
 * Ethereum Sepolia account with some balance <0.01 Eth. Get some [here](https://www.infura.io/faucet/sepolia).
 * A password to protect your rln membership.
 
-There is `.env.example` available for you as a template to use for providing the above values. The process when working with `.env` files is to copy the `.env.example`, store it as `.env` and edit the values there.
+`docker-compose` [will read the `./.env` file](https://docs.docker.com/compose/environment-variables/set-environment-variables/#additional-information-3) from the filesystem. There is `.env.example` available for you as a template to use for providing the above values. The process when working with `.env` files is to copy the `.env.example`, store it as `.env` and edit the values there.
 
 ```
 cp .env.example .env
@@ -23,6 +23,7 @@ ${EDITOR} .env
 
 Make sure to **NOT** place any secrets into `.env.example`, as they might be unintentionally published in the Git repository.
 
+
 **🔑 1. Register RLN membership**
 
 The RLN membership is your access key to The Waku Network. Its registration is done onchain, and allows your nwaku node to publish messages in a decentralized and private way, respecting some [rate limits](https://rfc.vac.dev/spec/64/#rate-limit-exceeded).
@@ -62,7 +63,7 @@ curl http://127.0.0.1:8645/debug/v1/info
 ```
 curl -X POST "http://127.0.0.1:8645/relay/v1/auto/messages" \
  -H "content-type: application/json" \
- -d '{"payload":"'$(echo -n "Hello Waku Network - from Anonymous User" | base64)'","contentTopic":"/my-app/2/chatroom-1/proto"}'
+ -d '{"payload":"'$(echo -n "Hello Waku Network - from Anonymous User" | base64)'","contentTopic":"/my-app/2/chatroom-1/proto","timestamp":$(date +%s%N)}'
 ```
 
 **Get messages sent to a `contentTopic`**. Note that any store node in the network is used to reply.

register_rln.sh

@@ -1,11 +1,15 @@
 #!/bin/sh
 
-if test -f $(pwd)/keystore/keystore.json; then
-  echo "keystore/keystore.json alredy exists. Use it instead of creating a new one."
+
+if test -f ./keystore/keystore.json; then
+  echo "keystore/keystore.json already exists. Use it instead of creating a new one."
   echo "Exiting"
   exit 1
 fi
 
+
+mkdir -p ./keystore
+
 if test -f .env; then
   echo "Using .env file"  
   . $(pwd)/.env