Extension: add Rotate Display (#4866)

docs/extensions.md

@@ -876,6 +876,10 @@ Check out [the accessories pages on microbit.org](https://microbit.org/buy/acces
 ## Utilities
 ```codecard
 [{
+  "name": "Rotate Display",
+  "url":"/pkg/bsiever/microbit-pxt-rotate",
+  "cardType": "package"
+}, {
   "name": "Bluetooth HID",
   "url":"/pkg/bsiever/microbit-pxt-blehid",
   "cardType": "package"

targetconfig.json

@@ -769,7 +769,8 @@
             "joy-it/pxt-rfid-mfrc522": { "tags": [ "Individual sensors" ] },
             "dfrobot/pxt-dfrobot_iot_cloud_kit": { "tags": [ "Networking" ] },
             "plenprojectcompany/pxt-plenbit_full": { "tags": [ "Robotics" ] },
-            "joy-it/pxt-ads1115": { "tags": [ "Individual sensors" ] }
+            "joy-it/pxt-ads1115": { "tags": [ "Individual sensors" ] },
+            "bsiever/microbit-pxt-rotate": { "tags": [ "Software" ] }
         },
         "upgrades": {
             "tinkertanker/pxt-iot-environment-kit": "min:v4.2.1",