Extension: add Smarthon Smart Home IoT Maker Kit (#6597)

Co-authored-by: Abhijith Chatra <[email protected]>

Author: martinwork

docs/extensions/extension-gallery.md

@@ -388,6 +388,10 @@ Many extensions are available to work with interface kits, add-on hardware, or o
 
 ```codecard
 [{
+   "name": "Smarthon Smart Home IoT Maker Kit",
+   "url": "/pkg/SMARTHON/pxt-smarthome",
+   "cardType": "package"
+}, {
    "name": "FWD Edu Smart Solder Kit",
    "url": "/pkg/Forward-Education/pxt-smart-soldering",
    "cardType": "package"

targetconfig.json

@@ -429,6 +429,7 @@
             "forward-education/pxt-climate-action": { "tags": [ "Science" ] },
             "elecfreaks/pxt-petal": { "tags": [ "Science" ] },
             "kitronikltd/pxt-kitronik-mai-z": { "tags": [ "Robotics" ] },
+            "smarthon/pxt-smarthome": { "tags": [ "Networking" ] },
             "roborisen/braillebot": { "tags": [ "Robotics" ] },
             "backyardbrains/pxt-spikerbit": { "tags": [ "Science" ] },
             "microsoft/pxt-simx-sample": {