Merge branch 'master' into add-fwd-vision-ai-kit

Author: abchatra

docs/extensions/extension-gallery.md

@@ -597,6 +597,10 @@ Many extensions are available to work with interface kits, add-on hardware, or o
 
 ```codecard
 [{
+  "name": "Elecfreaks PU Robot",
+  "url":"/pkg/elecfreaks/pxt-PU-Robot",
+  "cardType": "package"
+}, {
   "name": "Kitronik Design & Automate Accessory Kit",
   "url":"/pkg/KitronikLtd/pxt-design-and-automate-accessory-kit",
   "cardType": "package"

targetconfig.json

@@ -450,6 +450,7 @@
             "skinformatics/enorasiscore-makecode": { "tags": [ "Science" ] },
             "pasalt/pxt-neopixel-matrix-extension": { "tags": [ "Lights and Display" ] },
             "forward-education/pxt-ai-vision": { "tags": [ "Science" ] },
+            "elecfreaks/pxt-pu-robot": { "tags": [ "Robotics" ] },
             "microsoft/pxt-simx-sample": {
                 "simx": {
                     "sha": "7301f5900879b85127482d79bab48f03c25690a8",