feat: add newly added command

Author: scmmishra

cli/commands.mdx

@@ -68,6 +68,12 @@ chatwoot conv 123 label billing,urgent         # sets labels (replaces existing)
 chatwoot conv 123 priority urgent              # urgent | high | medium | low | none
 ```
 
+**Contact:**
+
+```bash
+chatwoot conv 123 contact                      # view the contact (sender) for this conversation
+```
+
 ## Contacts
 
 ```bash
@@ -104,6 +110,14 @@ chatwoot config path                           # print config file path
 chatwoot config view                           # print config and credential source
 ```
 
+## Version
+
+```bash
+chatwoot version                               # print the CLI version
+chatwoot version --check                       # check GitHub for a newer release
+chatwoot --version                             # same as `version`, as a flag
+```
+
 ## Global flags
 
 | Flag | Short | Description |