docs: regtest commands and compose name

- regtest container name change
- instead of name key in compose use env variable
- txood_data volume creation
Signed-off-by: Lakshya Singh <lakshay.singh1108@gmail.com>

README.md

@@ -5,6 +5,7 @@
 ```
 docker volume create bitcoin_data
 docker volume create lightning_data
+docker volume create txood_data
 ```
 
 ## Docker Compose Run
@@ -22,6 +23,7 @@ We have three possible overrides over the default `testnet` configuration in `do
 
 To use override we have to pass it down both the config using `-f` flag:
 ```
+export COMPOSE_PROJECT_NAME=<bitcoin_chain>
 docker compose -f docker-compose.yml -f <override_file> up --build
 ```
 
@@ -33,18 +35,17 @@ We have to run these commands after bitcoind is up and running.
 
 Create Wallet:
 ```
-docker container exec -it bitcoind bitcoin-cli createwallet default
+docker container exec bitcoind-regtest bitcoin-cli createwallet default
 ```
 
 Generate Address for node:
 ```
-docker container exec -it bitcoind bitcoin-cli getnewaddress
+docker container exec bitcoind-regtest bitcoin-cli getnewaddress
 ```
 
 Generate Blocks
 ```
-docker container exec -it bitcoind bitcoin-cli generatetoaddress 50 $NODE_ADDRESS
+docker container exec bitcoind-regtest bitcoin-cli generatetoaddress 50 $NODE_ADDRESS
-
 ```
 
 ### References