data(tablet): backfill verified PhoneDB sources

Author: Seungpyo1007

data/tablet/microsoft/2020/surface-duo/surface-duo-global-td-lte-128gb.json

@@ -10,7 +10,8 @@
   "os": "Android",
   "verified": false,
   "source_urls": [
-    "https://www.kaggle.com/datasets/sady36/mobile-phones-specs"
+    "https://www.kaggle.com/datasets/sady36/mobile-phones-specs",
+    "https://phonedb.net/index.php?m=device&id=19634&c=microsoft_surface_duo_global_td-lte_128gb"
   ],
   "os_version": "10",
   "storage_options_gb": [

data/tablet/microsoft/2020/surface-duo/surface-duo-global-td-lte-256gb.json

@@ -10,7 +10,8 @@
   "os": "Android",
   "verified": false,
   "source_urls": [
-    "https://www.kaggle.com/datasets/sady36/mobile-phones-specs"
+    "https://www.kaggle.com/datasets/sady36/mobile-phones-specs",
+    "https://phonedb.net/index.php?m=device&id=19622&c=microsoft_surface_duo_global_td-lte_256gb"
   ],
   "os_version": "10",
   "storage_options_gb": [

data/tablet/microsoft/2020/surface-duo/surface-duo-td-lte-us-128gb.json

@@ -10,7 +10,8 @@
   "os": "Android",
   "verified": false,
   "source_urls": [
-    "https://www.kaggle.com/datasets/sady36/mobile-phones-specs"
+    "https://www.kaggle.com/datasets/sady36/mobile-phones-specs",
+    "https://phonedb.net/index.php?m=device&id=19635&c=microsoft_surface_duo_td-lte_us_128gb"
   ],
   "os_version": "10",
   "storage_options_gb": [

data/tablet/microsoft/2020/surface-duo/surface-duo-td-lte-us-256gb.json

@@ -10,7 +10,8 @@
   "os": "Android",
   "verified": false,
   "source_urls": [
-    "https://www.kaggle.com/datasets/sady36/mobile-phones-specs"
+    "https://www.kaggle.com/datasets/sady36/mobile-phones-specs",
+    "https://phonedb.net/index.php?m=device&id=19633&c=microsoft_surface_duo_td-lte_us_256gb"
   ],
   "os_version": "10",
   "storage_options_gb": [

data/tablet/tecno/2017/droipad-7d/droipad-7d-dual-sim.json

@@ -10,7 +10,8 @@
   "os": "Android",
   "verified": false,
   "source_urls": [
-    "https://www.kaggle.com/datasets/sady36/mobile-phones-specs"
+    "https://www.kaggle.com/datasets/sady36/mobile-phones-specs",
+    "https://phonedb.net/index.php?m=device&id=13130&c=tecno_mobile_droipad_7d_dual_sim"
   ],
   "storage_options_gb": [
     16