Resolve missing xml Extensions.Hosting (#8471)

Author: Nick-Stanton

xml/Microsoft.Extensions.Hosting/BackgroundService.xml

@@ -50,7 +50,7 @@
       </AssemblyInfo>
       <Parameters />
       <Docs>
-        <summary>To be added.</summary>
+        <summary>Initializes a new instance of the <see cref="T:Microsoft.Extensions.Hosting.BackgroundService" /> class.</summary>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>

xml/Microsoft.Extensions.Hosting/ConsoleLifetimeOptions.xml

@@ -43,7 +43,7 @@
       </AssemblyInfo>
       <Parameters />
       <Docs>
-        <summary>To be added.</summary>
+        <summary>Initializes a new instance of the <see cref="T:Microsoft.Extensions.Hosting.ConsoleLifetimeOptions" /> class.</summary>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>

xml/Microsoft.Extensions.Hosting/HostOptions.xml

@@ -43,7 +43,7 @@
       </AssemblyInfo>
       <Parameters />
       <Docs>
-        <summary>To be added.</summary>
+        <summary>Initializes a new instance of the <see cref="T:Microsoft.Extensions.Hosting.HostOptions" /> class.</summary>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>

xml/ns-Microsoft.Extensions.Hosting.Systemd.xml

@@ -1,6 +1,6 @@
 <Namespace Name="Microsoft.Extensions.Hosting.Systemd">
   <Docs>
-    <summary>To be added.</summary>
+    <summary>Provides classes that allow you to encapsulate a Linux app's resources and lifetime functionality.</summary>
     <remarks>To be added.</remarks>
   </Docs>
 </Namespace>

xml/ns-Microsoft.Extensions.Hosting.WindowsServices.xml

@@ -1,6 +1,6 @@
 <Namespace Name="Microsoft.Extensions.Hosting.WindowsServices">
   <Docs>
-    <summary>To be added.</summary>
+    <summary>Provides classes that allow you to encapsulate a Windows Service app's resources and lifetime functionality.</summary>
     <remarks>To be added.</remarks>
   </Docs>
 </Namespace>

xml/ns-Microsoft.Extensions.Hosting.xml

@@ -1,6 +1,6 @@
 <Namespace Name="Microsoft.Extensions.Hosting">
   <Docs>
-    <summary>To be added.</summary>
+    <summary>Provides classes that allow you to encapsulate an app's resources and lifetime functionality.</summary>
     <remarks>To be added.</remarks>
   </Docs>
 </Namespace>