feat(Documents) Notes/Docs page improvements and warning cleanup

Model/Doc/DocConnectionModel.cs

@@ -0,0 +1,10 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace Model.Doc;
+
+public class DocConnectionModel
+{
+    [Key] public int Id { get; set; } = 1;
+    public int ParentId { get; set; } = 1;
+    public int ChildId { get; set; } = 1;
+}

Model/Doc/DocContentModel.cs

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+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace Model.Doc;
+
+public class DocContentModel
+{
+    [Key] public int Id { get; set; } = 1;
+    
+    public int? ParentId { get; set; } = null;
+    public int? DocSectionModelId { get; set; } = null;
+    public string Href { get; set; }
+    [NotMapped] public virtual ICollection<DocContentModel> DocumentationModels { get; set; } = new List<DocContentModel>();
+    [NotMapped] public virtual DocContentModel Parent { get; set; }
+    [NotMapped] public virtual int PageOrder { get; set; }
+    public DateTime CreatedDate { get; set; }
+    public DateTime UpdatedDate { get; set; }
+    public string Name { get; set; } = "";
+    public string Description { get; set; } = null;
+    public string Content { get; set; } = "";
+
+    private string GetLink()
+    {
+        var link = Href;
+
+        if (Parent != null) link = $"{Parent.GetLink()}/" + link;
+
+        return link;
+    }
+
+    public string GetDocLink()
+    {
+        return $"docs/{GetLink()}";
+    }
+}

Model/Doc/DocSectionModel.cs

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+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace Model.Doc;
+
+public class DocSectionModel
+{
+    [Key] public int Id { get; set; }
+
+    public string Name { get; set; }
+
+    [NotMapped]
+    public virtual ICollection<DocContentModel> DocumentationModels { get; set; } = new List<DocContentModel>();
+}