add missing volume mount to README, fixes #15

.golangci.yml

@@ -114,6 +114,9 @@ linters:
       - linters:
           - revive
         text: returns unexported type
+      - linters:
+          - revive
+        text: 'var-naming: avoid meaningless package names'
     paths:
       - mocks
       - third_party$

README.md

@@ -139,7 +139,7 @@ You can get the bot using docker image from [the registry](https://github.com/et
 # id
 # 2. Prepare the configuration in the env file (see Configuration section), alternatively you can use `docker --env` flags
 # 2. Run the bot using UID and GID from step 1:
-docker run --user YOUR_UID:YOUR_GID --env-file /YOUR_ENV_FILE ghcr.io/etkecc/postmoogle:latest
+docker run --user YOUR_UID:YOUR_GID --env-file /YOUR_ENV_FILE -v /PATH_TO_STORE_DATA:/data ghcr.io/etkecc/postmoogle:latest
 ```
 
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