COG to have links to NCBI pages

Closes #138

frontend/src/components/eggnogcard/eggnogcard.js

@@ -63,11 +63,16 @@ export default {
     },
     buildEggNogDetails(response) {
       this.eggnogVersion = response.data.version
+      var eggnogIdItem = {
+        title: 'ID',
+        content: response.data.function_id,
+      };
+      if (this.eggnogId.startsWith('COG')) {
+        eggnogIdItem.url = `https://ftp.ncbi.nih.gov/pub/COG/COG2014/static/byCOG/${eggnogIdItem.content}.html`;
+        eggnogIdItem.url_label = 'Open in NCBI'
+      }
       this.eggnogDetails = [
-        {
-          title: 'ID',
-          content: response.data.function_id,
-        },
+        eggnogIdItem,
         {
           title: 'Name',
           content: response.data.name,