Add Commons images for Trium Mondo and Siemens C10 and A40

Author: Seungpyo1007

data/smartphone/mitsubishi/2000/trium-mondo.json

@@ -1,4 +1,7 @@
 {
+  "image_url": "https://upload.wikimedia.org/wikipedia/commons/b/ba/Trium_Mondo_front_scanned.jpg",
+  "image_license": "CC0-1.0",
+  "image_attribution": "Techtri",
   "slug": "trium-mondo",
   "base_model_slug": "trium-mondo",
   "name": "Trium Mondo",

data/smartphone/siemens/1998/c10.json

@@ -1,4 +1,7 @@
 {
+  "image_url": "https://upload.wikimedia.org/wikipedia/commons/3/31/Siemens_C10.JPG",
+  "image_license": "Public Domain",
+  "image_attribution": "SiemensD10,C25,S35i,CX65.JPG : Suidpunt derivative work: Palatinatian ( talk )",
   "slug": "c10",
   "name": "C10",
   "brand": "siemens",

data/smartphone/siemens/2001/a40.json

@@ -1,4 +1,7 @@
 {
+  "image_url": "https://upload.wikimedia.org/wikipedia/commons/8/8c/Siemens_A40.JPG",
+  "image_license": "CC-BY-SA-4.0",
+  "image_attribution": "Ananas96",
   "slug": "a40",
   "name": "A40",
   "brand": "siemens",