Improve readme

.gitignore

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+/.idea/
 /tmp/

README.md

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 # Export 1password logins to csv
 
-[1password] havn't tool to export data at Linux. 
+[1password] hasn't tool to export data at Linux. 
 But is has command line [client], which you can use to fetch all data.
 
 Requirements:
@@ -10,17 +10,22 @@ Requirements:
 -	tar, gpg (for encryption) binaries
 
 First login with `op` client. It exports session key to environment variables.
+More details [signin](here).
 	
 	$ eval $(op signin my)
 
 Next run script
 
-	$ python 1passord.py <file-name>
+	$ python3 1export.py <file-name>
 
 If you want encrypt exported data, pass `--password` argument
 
-	$ python 1passord.py --password <password> <file-name> 	
+	$ python3 1export.py --password <password> <file-name> 	
 
+All together in one line:
+
+	$ eval $(op signin my); python3 1export.py --password <password> "/home/av/Dropbox/1password-$(date '+%Y-%m-%d')"
 
 [1password]: http://1password.com/
-[client]: https://1password.com/downloads/command-line/
+[client]: https://1password.com/downloads/command-line/
+[signin]: https://support.1password.com/command-line-getting-started/#get-started-with-the-command-line-tool