fix(frontend-projects): replace video with image thumbnail

challenges/03-front-end-libraries/front-end-libraries-projects.json

@@ -14,9 +14,7 @@
         "Once you're done, submit the URL to your working project with all its tests passing.",
         "Remember to use the <a href='https://forum.freeCodeCamp.com/t/how-to-get-help-when-you-are-stuck/19514' target='_blank'>Read-Search-Ask</a> method if you get stuck."
       ],
-      "challengeSeed": [
-        "A9mEKIF"
-      ],
+      "image": "A9mEKIF",
       "tests": [],
       "type": "zipline",
       "isRequired": true,
@@ -43,9 +41,7 @@
         "Remember to use the <a href='https://forum.freeCodeCamp.com/t/how-to-get-help-when-you-are-stuck/19514' target='_blank'>Read-Search-Ask</a> method if you get stuck."
       ],
       "releasedOn": "January 10, 2017",
-      "challengeSeed": [
-        "FFDvuCP"
-      ],
+      "image": "FFDvuCP",
       "tests": [],
       "type": "zipline",
       "isRequired": true,
@@ -72,9 +68,7 @@
         "Remember to use the <a href='https://forum.freeCodeCamp.com/t/how-to-get-help-when-you-are-stuck/19514' target='_blank'>Read-Search-Ask</a> method if you get stuck."
       ],
       "releasedOn": "February 17, 2017",
-      "challengeSeed": [
-        "OkeFgKL"
-      ],
+      "image": "OkeFgKL",
       "tests": [],
       "type": "zipline",
       "isRequired": true,
@@ -102,9 +96,7 @@
         "Once you're done, submit the URL to your working project with all its tests passing.",
         "Remember to use the <a href='https://forum.freeCodeCamp.com/t/how-to-get-help-when-you-are-stuck/19514' target='_blank'>Read-Search-Ask</a> method if you get stuck."
       ],
-      "challengeSeed": [
-        "xlAXPjX"
-      ],
+      "image": "xlAXPjX",
       "tests": [],
       "type": "zipline",
       "challengeType": 3,
@@ -126,9 +118,7 @@
         "Once you're done, submit the URL to your working project with all its tests passing.",
         "Remember to use the <a href='https://forum.freeCodeCamp.com/t/how-to-get-help-when-you-are-stuck/19514' target='_blank'>Read-Search-Ask</a> method if you get stuck."
       ],
-      "challengeSeed": [
-        "u5RTBt4"
-      ],
+      "image": "u5RTBt4",
       "tests": [],
       "type": "zipline",
       "isRequired": true,
@@ -145,4 +135,4 @@
       }
     }
   ]
-}
+}