Merge pull request #513 from per1234/deprecate-projects-discussion-and-showcase

Deprecate "Projects Discussion and Showcase" category

Author: per1234

content/categories/projects-discussion-and-showcase/README.md renamed to content/categories/forum-2005-2010-read-only/projects-discussion-and-showcase/README.md

@@ -8,4 +8,4 @@
 
 ## Published At
 
-https://forum.arduino.cc/c/projects-discussion-and-showcase/7
+https://forum.arduino.cc/c/forum-2005-2010-read-only/projects-discussion-and-showcase/7

content/categories/projects-discussion-and-showcase/_pins.md renamed to content/categories/forum-2005-2010-read-only/projects-discussion-and-showcase/_pins.md

@@ -9,7 +9,6 @@
   - Networking, Protocols, and Devices
   - Interfacing w/ Software on the Computer
   - Emergency Response: Covid-19 Projects
-- Projects Discussion and Showcase
 - Official Hardware
   - Portenta
     - Portenta C33
@@ -171,6 +170,7 @@
     - Playground Wiki
   - Emergency Response: Remote Learning
   - India
+  - Projects Discussion and Showcase
   - Workshops and Events
     - Makers
     - Events and Tour