done: dotnet packages learning

dotnet/1. packages/1. packages.csproj

@@ -8,4 +8,8 @@
     <Nullable>enable</Nullable>
   </PropertyGroup>
 
+  <ItemGroup>
+    <PackageReference Include="Humanizer" Version="2.14.1" />
+  </ItemGroup>
+
 </Project>

dotnet/1. packages/Program.cs

@@ -1,2 +1,22 @@
 // See https://aka.ms/new-console-template for more information
-Console.WriteLine("Hello, World!");
+using Humanizer;
+
+Console.WriteLine("Quantities:");
+HumanizerQuantities();
+Console.WriteLine("\nDate/Time Manipulation:");
+HumanizeDates();
+
+static void HumanizerQuantities()
+{
+    Console.WriteLine("case".ToQuantity(0));
+    Console.WriteLine("case".ToQuantity(1));
+    Console.WriteLine("case".ToQuantity(5));
+}
+
+static void HumanizeDates()
+{
+    Console.WriteLine(DateTime.UtcNow.AddHours(-24).Humanize());
+    Console.WriteLine(DateTime.UtcNow.AddHours(-2).Humanize());
+    Console.WriteLine(TimeSpan.FromDays(1).Humanize());
+    Console.WriteLine(TimeSpan.FromDays(16).Humanize());
+}