Move Joy-IT rfid-mfrc522 and ads1115 extensions to gallery section Sensor boards, and tag them Science (#4879)

* joy-it rfid-mfrc522, ads1115 - change extension tags to Science -

* joy-it rfid-mfrc522, ads1115 - move to section "Sensor boards"

Author: martinwork

docs/extensions.md

@@ -303,10 +303,6 @@ Check out [the accessories pages on microbit.org](https://microbit.org/buy/acces
     "name": "HTS221 Humidity and temperature",
     "url": "/pkg/makecode-extensions/HTS221",
     "cardType": "package"
-}, {
-    "name": "Joy IT RFID Module MFRC-522",
-    "url": "/pkg/joy-it/pxt-rfid-mfrc522",
-    "cardType": "package"
 }, {
     "name": "gator:UV UV Light sensor",
     "url":"/pkg/sparkfun/pxt-gator-UV",
@@ -755,6 +751,14 @@ Check out [the accessories pages on microbit.org](https://microbit.org/buy/acces
 
 ```codecard
 [{
+    "name": "Joy IT RFID Module MFRC-522",
+    "url": "/pkg/joy-it/pxt-rfid-mfrc522",
+    "cardType": "package"
+}, {
+  "name": "Joy-IT ADS1115",
+  "url":"/pkg/joy-it/pxt-ads1115",
+    "cardType": "package"
+}, {
   "name": "DFRobot Environment Science Board ",
   "url":"/pkg/DFRobot/pxt-DFRobot_Environment_Science",
   "cardType": "package"
@@ -991,9 +995,5 @@ Check out [the accessories pages on microbit.org](https://microbit.org/buy/acces
     "name": "Elecfreaks NeZha",
     "url": "/pkg/elecfreaks/pxt-nezha",
     "cardType": "package"
-}, {
-  "name": "Joy-IT ADS1115",
-  "url":"/pkg/joy-it/pxt-ads1115",
-    "cardType": "package"
 }]
 ```

targetconfig.json

@@ -766,11 +766,11 @@
             "dfrobot/pxt-dfrobot_environment_science": {},
             "ekkai/aicococam": {},
             "elecfreaks/pxt-xgo": {},
-            "joy-it/pxt-rfid-mfrc522": { "tags": [ "Individual sensors" ] },
+            "joy-it/pxt-rfid-mfrc522": { "tags": [ "Science" ] },
             "dfrobot/pxt-dfrobot_iot_cloud_kit": { "tags": [ "Networking" ] },
             "plenprojectcompany/pxt-plenbit_full": { "tags": [ "Robotics" ] },
             "bsiever/microbit-pxt-clicks": { "tags": [ "Software" ] },
-            "joy-it/pxt-ads1115": { "tags": [ "Individual sensors" ] },
+            "joy-it/pxt-ads1115": { "tags": [ "Science" ] },
             "bsiever/microbit-pxt-rotate": { "tags": [ "Software" ] },
             "sparkfun/pxt-gator-uv": { "tags": [ "Science" ] },
             "dfrobot/pxt-dfrobot_bosonkit": { "tags": [ "Science" ] }