Return all users with profiles (#3)

Also fixed server pre-rendering and added log off functionality

src/JobsJobsJobs/Shared/Api/ProfileSearchResult.cs

@@ -0,0 +1,15 @@
+using NodaTime;
+
+namespace JobsJobsJobs.Shared.Api
+{
+    /// <summary>
+    /// A user matching the profile search
+    /// </summary>
+    public record ProfileSearchResult(
+        CitizenId CitizenId,
+        string DisplayName,
+        bool SeekingEmployment,
+        bool RemoteWork,
+        bool FullTime,
+        Instant LastUpdated);
+}