readme: add some more instructions for translators

- added link to guide for Pootle
- link directly to CLI project on Pootle
- improved wording

README.md

@@ -30,10 +30,10 @@ Our researchers are available on IRC in [#monero-research-lab on Freenode](https
 - You can subscribe to an [announcement listserv](https://lists.getmonero.org) to get critical announcements from the Monero core team. The announcement list can be very helpful for knowing when software updates are needed.
 
 ## Translations
-The CLI wallet is available in different languages. If you want to help translate it, join Pootle, our self-hosted localization platform: [translate.getmonero.org](https://translate.getmonero.org). Every translation *must* be uploaded on Pootle, pull requests directly editing the code on this repository will be closed.
+The CLI wallet is available in different languages. If you want to help translate it, see our self-hosted localization platform, Pootle, on [translate.getmonero.org](https://translate.getmonero.org/projects/CLI/). Every translation *must* be uploaded on the platform, pull requests directly editing the code in this repository will be closed. If you need help with Pootle, you can find a guide with screenshots [here](https://github.com/monero-ecosystem/monero-translations/blob/master/pootle.md).
  
 
-If you need help/support/info, contact the localization workgroup. You can do so in various ways: by email (translate[at]getmonero[dot]org), on the official chat (#monero-translations). A complete list of contacts can be found on the repository of the workgroup: [monero-ecosystem/monero-translations](https://github.com/monero-ecosystem/monero-translations#contacts).
+If you need help/support/info about translations, contact the localization workgroup. You can find the complete list of contacts on the repository of the workgroup: [monero-translations](https://github.com/monero-ecosystem/monero-translations#contacts).
 
 ## Build