docs: Provide extensions for HTTP (#17)

Author: tomkerkhove

README.md

@@ -16,3 +16,10 @@ Easily parse raw metrics from a stream to concrete types:
 ```csharp
 var metrics = await PrometheusMetricsParser.ParseAsync(rawMetricsStream);
 ```
+
+Easily parse raw metrics from an HTTP response to concrete types:
+
+```csharp
+HttpResponseMessage httpResponse = await httpClient.GetAsync("/scrape");
+var metrics = await httpResponse.ReadAsPrometheusMetricsAsync(rawMetricsStream);
+```

src/Promitor.Parsers.Prometheus.Http/Promitor.Parsers.Prometheus.Http.csproj

@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <TargetFramework>netstandard2.1</TargetFramework>
-    <Authors>Promitor</Authors>
+    <Authors>Promitor,Tom Kerkhove</Authors>
     <Company>Promitor</Company>
     <PackageLicenseFile></PackageLicenseFile>
     <PackageProjectUrl>https://promitor.io/</PackageProjectUrl>