Squashed commit of the following:v0.1.3

commit 56e0a38b2ca246e8beeaef3c6c4b9c0ce7d0f09b
Author: vnugent <public@vaughnnugent.com>
Date:   Tue Apr 9 17:35:13 2024 -0400

    chore(app): Update deps, login spinner, curl msg, view prep

commit 0945210c0492dd8a8de99ccd8e5e66cf05e3a1c1
Merge: 24fac82 3c15d54
Author: vnugent <public@vaughnnugent.com>
Date:   Tue Apr 2 14:58:59 2024 -0400

    Merge branch 'master' into develop

commit 24fac82efe9e5c18e86ed535678640e7401472db
Author: vnugent <public@vaughnnugent.com>
Date:   Tue Apr 2 14:54:20 2024 -0400

    ci: Configure manual dep versions

commit d2ae31ec919d72e66d8b40db8394b55efd6ea6d3
Author: vnugent <public@vaughnnugent.com>
Date:   Sun Mar 31 22:19:53 2024 -0400

    ci: Native compression support for win

commit fa7fdef79c6d468022b77f81314ac129fe0cdc32
Merge: 308092d a01220a
Author: vnugent <public@vaughnnugent.com>
Date:   Wed Mar 13 21:26:55 2024 -0400

    Merge branch 'master' into develop

commit 308092d6d743d0ba8f7ca86fd77e9c837dc46e88
Merge: 48637a8 9134093
Author: vnugent <public@vaughnnugent.com>
Date:   Wed Mar 13 21:01:02 2024 -0400

    Merge branch 'master' into develop

commit 48637a8781fc951c307216f604fc1610e68691c3
Merge: 1e08c6d e326736
Author: vnugent <public@vaughnnugent.com>
Date:   Wed Mar 13 16:20:35 2024 -0400

    Merge branch 'master' into develop

commit 1e08c6d2112459dc02a0ab873123c4a363b01d21
Author: vnugent <public@vaughnnugent.com>
Date:   Wed Mar 13 16:17:58 2024 -0400

    ci: verified container build ready for next release

commit 85a1e5b7cc5c99e97a2d4e99bbceb0d2139742ff
Author: vnugent <public@vaughnnugent.com>
Date:   Tue Mar 12 22:05:16 2024 -0400

    ci: exciting bare-metal build process, os support, smaller packages

commit 748cdbf4880d830fd794e92856e8c35a46e4f884
Author: vnugent <public@vaughnnugent.com>
Date:   Mon Mar 11 21:21:18 2024 -0400

    feat(app): #1 update libs & add curl support

1 files changed, 38 insertions, 0 deletions

diff --git a/back-end/src/Model/BookmarkStore.cs b/back-end/src/Model/BookmarkStore.cs
index ec020e8..d53ab01 100644
--- a/back-end/src/Model/BookmarkStore.cs
+++ b/back-end/src/Model/BookmarkStore.cs
@@ -52,6 +52,44 @@ namespace SimpleBookmark.Model
             existing.Description = newRecord.Description;
             existing.JsonTags = newRecord.JsonTags;
         }
+     
+        public async Task<int> AddSingleIfNotExists(string userId, BookmarkEntry entry, DateTime now, uint maxRecords, CancellationToken cancellation)
+        {
+            ArgumentNullException.ThrowIfNull(userId);
+            ArgumentNullException.ThrowIfNull(entry);
+
+            //Init new db connection
+            await using SimpleBookmarkContext context = new(dbOptions.Value);
+
+            //Check if any bookmarks exist for the user with a given url
+            bool exists = await context.Bookmarks.AnyAsync(b => b.UserId == userId && b.Url == entry.Url, cancellation);
+
+            //If no bookmarks exist, add a new one
+            if (!exists)
+            {
+                //Check if the user has reached the maximum number of bookmarks
+                if (await context.Bookmarks.CountAsync(b => b.UserId == userId, cancellation) >= maxRecords)
+                {
+                    await context.SaveAndCloseAsync(true, cancellation);
+                    return -1;
+                }
+
+                context.Bookmarks.Add(new ()
+                {
+                    Id = GetNewRecordId(),      //Overwrite with new record id
+                    UserId = userId,            //Enforce user id
+                    Created = now,
+                    LastModified = now,
+                    Name = entry.Name,          //Copy over the entry data
+                    Url = entry.Url,
+                    Description = entry.Description,
+                    Tags = entry.Tags
+                });
+            }
+
+            await context.SaveAndCloseAsync(true, cancellation);
+            return exists ? 0 : 1;         //1 if added, 0 if already exists
+        }
 
         public async Task<BookmarkEntry[]> SearchBookmarksAsync(string userId, string? query, string[] tags, int limit, int page, CancellationToken cancellation)
         {