Extension: add FWD Edu OpenSciEd (#6937)

Co-authored-by: Abhijith Chatra <abchatra@microsoft.com>

Author: martinwork

docs/extensions/extension-gallery.md

@@ -396,6 +396,10 @@ Many extensions are available to work with interface kits, add-on hardware, or o
 
 ```codecard
 [{
+   "name": "FWD Edu OpenSciEd Kit",
+   "url": "/pkg/Forward-Education/pxt-openscied",
+   "cardType": "package"
+}, {
    "name": "FWD Edu Coding For Good Kit",
    "url": "/pkg/Forward-Education/pxt-coding-for-good",
    "cardType": "package"

targetconfig.json

@@ -443,6 +443,7 @@
             "pyocodingcompany-crypto/pyobot-makecode": { "tags": [ "Robotics" ] },
             "kitronikltd/pxt-design-and-automate-accessory-kit": { "tags": [ "Robotics" ] },
             "aorczyk/my-controller": { "tags": [ "Software" ] },
+            "forward-education/pxt-openscied": { "tags": [ "Science" ] },
             "forward-education/pxt-ceibal-ubit": {},
             "microsoft/pxt-simx-sample": {
                 "simx": {