Combine README sentences into one line.

The NuGet preview of the README inserts line breaks between these sentences (even though Markdown parsing should treat them as part of the same paragraph with no breaks).

Author: bgrainger

src/PcgRandom/PcgRandom.csproj

@@ -22,7 +22,7 @@
     <EmbedUntrackedSources>true</EmbedUntrackedSources>
     <MinVerDefaultPreReleaseIdentifiers>beta.0</MinVerDefaultPreReleaseIdentifiers>
     <EnablePackageValidation>true</EnablePackageValidation>
-</PropertyGroup>
+  </PropertyGroup>
 
   <PropertyGroup Condition=" '$(GITHUB_ACTIONS)' == 'true' OR '$(APPVEYOR)' == 'True' OR '$(TF_BUILD)' == 'True' ">
     <ContinuousIntegrationBuild>true</ContinuousIntegrationBuild>

src/PcgRandom/README.md

@@ -1,8 +1,6 @@
 ## About
 
-`PcgRandom` provides an implementation of `Random` that generates pseudorandom numbers using the [PCG](http://www.pcg-random.org/) family of random number generators.
-It is a .NET port (written entirely in C#) of the [C library](https://www.pcg-random.org/using-pcg-c.html) by Melissa O'Neill.
-You can use a `PcgRandom` instance anywhere you would use a `Random` instance.
+`PcgRandom` provides an implementation of `Random` that generates pseudorandom numbers using the [PCG](http://www.pcg-random.org/) family of random number generators. It is a .NET port (written entirely in C#) of the [C library](https://www.pcg-random.org/using-pcg-c.html) by Melissa O'Neill. You can use a `PcgRandom` instance anywhere you would use a `Random` instance.
 
 ## Basic Usage