show finished date and version

frontend/lib/screens/build_screen.dart

@@ -239,12 +239,16 @@ class _BuildScreenState extends State<BuildScreen> {
               textRight: buildData.id.toString(),
             ),
             SideCard(
-              title: "Finished",
+              title: "Version",
-              textRight: buildData.end_time.toString(),
+              textRight: buildData.version,
             ),
             SideCard(
-              title: "Queued",
+              title: "Finished",
-              textRight: "7",
+              textRight: buildData.end_time == null
+                  ? "Not yet"
+                  : DateTime.fromMillisecondsSinceEpoch(
+                          buildData.end_time! * 1000)
+                      .readableDuration(),
             ),
             SideCard(
               title: "Duration",

frontend/lib/utils/colorful_tag.dart

@@ -1,22 +0,0 @@
-import 'dart:ui';
-
-import 'package:flutter/material.dart';
-
-Color getRoleColor(String? role) {
-  if (role == "Doctor") {
-    return Colors.green;
-  } else if (role == "Software Architect") {
-    return Colors.red;
-  } else if (role == "Software Engineer") {
-    return Colors.blueAccent;
-  } else if (role == "Solution Architect") {
-    return Colors.amberAccent;
-  } else if (role == "Project Manager") {
-    return Colors.cyanAccent;
-  } else if (role == "Business Analyst") {
-    return Colors.deepPurpleAccent;
-  } else if (role == "UI/UX Designer") {
-    return Colors.indigoAccent;
-  }
-  return Colors.black38;
-}