Add guidance about profile pictures (#1165)

We want our trainees to set up images on their accounts - make this
explicit and add image selection guidance. (While still suggesting
alternatives for people who can't include images of themselves).

common-content/en/module/induction/accounts/index.md

@@ -18,6 +18,12 @@ Click on the links to go to the registration pages. Keep your login details for
 We recognise you may need to keep your birth name private. When we say real name, we mean the name you go by. It does not have to match your birth certificate or any other legal document. It has to be consistent and professional.
 {{</note>}}
 
+Every time you create an account which can have a profile picture, you should set one up. Follow these [professional image guidelines](https://www.linkedin.com/business/talent/blog/product-tips/tips-for-taking-professional-linkedin-profile-pictures) when picking an image. Use the same picture for every account.
+
+{{<note type="tip" title="Robohash" >}}
+We understand you may need to keep your picture off the internet. In this case, generate [a robohash picture](https://robohash.org/) from your name, and use that for all these accounts. Use your robohash consistently and it will help us recognise each other.
+{{</note>}}
+
 ### Gmail, Google Account
 
 Make a new Google account if you do not have a professional one already. What is a professional email address?
@@ -73,10 +79,6 @@ Your cohort is your first network, and this is one of the most valuable things y
 - [ ] I have updated my profile with my picture, my professional email address, my GitHub username, my Linkedin profile and my class.
 - [ ] I have introduced myself on Slack.
 
-{{<note type="tip" title="Robohash" >}}
-We understand you may need to keep your picture off the internet. In this case, generate [a robohash picture](https://robohash.org/) from your name, and use that for all these accounts. Use your robohash consistently and it will help us recognise each other.
-{{</note>}}
-
 ### VSCode
 
 We will use [Visual Studio Code](https://code.visualstudio.com/) (VSCode), a professional IDE you will use on this course and at work.