Jobs datamodel updates + creation of cards for jobs detail screen.

client/src/components/job-detail-cards/job-detail-cards.styles.scss

@@ -0,0 +1,32 @@
+.job-cards {
+    display: flex;
+    flex-wrap: wrap;
+ }
+
+.job-card {
+
+    margin: .5em;
+}
+
+@media screen and (min-width: 40em) {
+    .card {
+       max-width: calc(50% -  1em);
+    }
+}
+
+@media screen and (min-width: 60em) {
+    .card {
+        max-width: calc(25% - 1em);
+    }
+}
+
+.centered {
+    margin: 0 auto;
+    padding: 0 1em;
+}
+
+@media screen and (min-width: 52em) {
+    .centered {
+        max-width: 52em;
+    }
+}