Getting started blog p2 (#5636)

* Wrote article contents

* Added images to post

Signed-off-by: Calum Murray <cmurray@redhat.com>
Co-authored-by: Leo Li <leoli@redhat.com>

* Put images into post

Signed-off-by: Calum Murray <cmurray@redhat.com>

* Added article to site nav

Signed-off-by: Calum Murray <cmurray@redhat.com>

* Apply suggestions from code review

Co-authored-by: Christoph Stäbler <cstabler@redhat.com>

* Applied review comments

* Apply suggestions from code review

Co-authored-by: Leo Li <leoli@redhat.com>

* Mentioned community edition of IntelliJ IDEA

Signed-off-by: Calum Murray <cmurray@redhat.com>

* Update the image quality

* Updated links between posts

Signed-off-by: Calum Murray <cmurray@redhat.com>

* Bump blog date

Signed-off-by: Calum Murray <cmurray@redhat.com>

* Fix some links

Co-authored-by: Leo Li <leoli@redhat.com>

* Update blog/docs/articles/getting-started-blog-p2.md

Co-authored-by: Leo Li <leoli@redhat.com>

* Switched to using interactive docker login command

Signed-off-by: Calum Murray <cmurray@redhat.com>

* Added mention of WSL for windows users

Signed-off-by: Calum Murray <cmurray@redhat.com>

* Add missing period

Signed-off-by: Calum Murray <cmurray@redhat.com>

* fixing typos

Signed-off-by: Calum Murray <cmurray@redhat.com>

---------

Signed-off-by: Calum Murray <cmurray@redhat.com>
Co-authored-by: Leo Li <leoli@redhat.com>
Co-authored-by: Christoph Stäbler <cstabler@redhat.com>

blog/config/nav.yml

@@ -48,6 +48,7 @@ nav:
       - Articles:
           - articles/knative-eventing-vision.md
           - articles/new_event_discovery_features.md
+          - articles/getting-started-blog-p2.md
           - articles/getting-started-blog-p1.md
           - articles/getting-started-blog-p0.md
           - articles/improved-ha-configuration.md

blog/docs/articles/getting-started-blog-p0.md

@@ -16,7 +16,7 @@ concepts of Knative work, we hope that you will also learn something from these
 
 1. [Introduction and Overview (this post!)](/blog/articles/getting-started-blog-p0)
 2. [Introduction to Open Source](/blog/articles/getting-started-blog-p1)
-3. Environment setup for Knative (coming soon)
+3. [Environment setup for Knative](/blog/articles/getting-started-blog-p2)
 4. Making API changes (coming soon)
 5. Controllers (coming soon)
 6. Testing (coming soon)

blog/docs/articles/getting-started-blog-p1.md

@@ -262,6 +262,8 @@ As you've hopefully seen in this article, there are many great open source proje
 loads of ways to contribute, and your contributions will be appreciated so long as the project is taking contributions. While contributing (especially contributing code) can be 
 a complex process, it is also a very rewarding experience. So, we hope to see you out there contributing to open source and Knative! 
 
+We hope that you enjoyed this article and feel more comfortable contributing to open source now. We also hope to see you in [the next one](/blog/articles/getting-started-blog-p2)!
+
 P.S. If you are interested in getting started contributing to open source, be sure to checkout out [this CNCF article](https://contribute.cncf.io/contributors/getting-started/){:target="_blank"},
 as it provides a great starting point.