Add project files.

Core.Adapters.Lib.csproj

@@ -0,0 +1,13 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Core.Blueprint.Mongo" Version="1.0.0" />
+  </ItemGroup>
+
+</Project>

Core.Adapters.Lib.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.14.36212.18 d17.14
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Core.Adapters.Lib", "Core.Adapters.Lib.csproj", "{AA3D06CA-C120-443B-8FC9-AE9098285271}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{AA3D06CA-C120-443B-8FC9-AE9098285271}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{AA3D06CA-C120-443B-8FC9-AE9098285271}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{AA3D06CA-C120-443B-8FC9-AE9098285271}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{AA3D06CA-C120-443B-8FC9-AE9098285271}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {00C9247B-BA90-4F25-923A-03A1843C74CC}
+	EndGlobalSection
+EndGlobal

Inventory/Base/InventoryItem.cs

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+using Core.Blueprint.Mongo;
+using MongoDB.Bson.Serialization.Attributes;
+using System.Text.Json.Serialization;
+
+namespace Core.Adapters.Lib.Inventory.Base
+{
+    [CollectionAttributeName("Inventory")]
+    public class InventoryItem : Document
+    {
+        [BsonElement("name")]
+        [JsonPropertyName("name")]
+        public string Name { get; set; }
+
+        [BsonElement("description")]
+        [JsonPropertyName("description")]
+        public string Description { get; set; }
+
+        [BsonElement("stock")]
+        [JsonPropertyName("stock")]
+        public int Stock { get; set; }
+
+        [BsonElement("representation")]
+        [JsonPropertyName("representation")]
+        public string Representation { get; set; }
+
+
+        public string Company { get; set; }
+    }
+}