Merge pull request #364 from per1234/rename-arduino-ide-2.0

Rename "Arduino IDE 2.0" category to "IDE 2.x"

Author: per1234

content/categories/order.md

@@ -86,7 +86,7 @@
   - GIGA R1
   - UNO R4
 - Software
-  - Arduino IDE 2.0
+  - IDE 2.x
   - Web Editor
   - Cloud
   - IoT Cloud

content/categories/software/arduino-ide-2-0/_pins.md

@@ -1,4 +1,4 @@
-# Arduino IDE 2.0
+# IDE 2.x
 
 ## Permissions
 
@@ -8,4 +8,4 @@
 
 ## Published At
 
-https://forum.arduino.cc/c/software/arduino-ide-2-0/93
+https://forum.arduino.cc/c/software/ide-2-x/93

content/categories/software/arduino-ide-2-0/_topics/about-the-arduino-ide-2-0-category/README.md

@@ -0,0 +1,2 @@
+- `<latest release announcement>`
+- https://forum.arduino.cc/t/about-the-ide-2-x-category/847533

content/categories/software/arduino-ide-2-0/README.md renamed to content/categories/software/ide-2-x/README.md

@@ -0,0 +1,5 @@
+# About the IDE 2.x category
+
+## Published At
+
+https://forum.arduino.cc/t/about-the-ide-2-x-category/847533