Add a hello world function

Comrit.Functions.fsproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net6.0</TargetFramework>
+    <TargetFramework>net7.0</TargetFramework>
     <AzureFunctionsVersion>v4</AzureFunctionsVersion>
     <OutputType>Exe</OutputType>
     <ImplicitUsings>enable</ImplicitUsings>
@@ -10,6 +10,7 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.Azure.Functions.Worker" Version="1.19.0" />
     <PackageReference Include="Microsoft.Azure.Functions.Worker.Sdk" Version="1.14.1" />
+    <PackageReference Include="Microsoft.Azure.Functions.Worker.Extensions.Http" Version="3.1.0" />
   </ItemGroup>
   <ItemGroup>
     <None Include="host.json">
@@ -20,6 +21,7 @@
     </None>
   </ItemGroup>
   <ItemGroup>
+    <Compile Include="HelloWorld.fs" />
     <Compile Include="Program.fs" />
   </ItemGroup>
 </Project>

HelloWorld.fs

@@ -0,0 +1,23 @@
+namespace Comrit.Functions
+
+open System.Net
+open Microsoft.Azure.Functions.Worker
+open Microsoft.Azure.Functions.Worker.Http
+open Microsoft.Extensions.Logging
+
+module HelloWorld =
+
+    [<Function("HelloWorld")>]
+    let run
+        ([<HttpTrigger(AuthorizationLevel.Function, "get", "post", Route = null)>] req: HttpRequestData)
+        (context: FunctionContext)
+        =
+        let logger = context.GetLogger "HelloWorld"
+        logger.LogInformation "F# HTTP trigger function processed a request"
+
+        let response = req.CreateResponse(HttpStatusCode.OK)
+        response.Headers.Add("Content-Type", "text/plain; charset=utf-8")
+
+        response.WriteString "Welcome to Azure Functions!"
+
+        response