Add refresh-auth (#64)

Gitea.Declarative/Utils.fs

@@ -0,0 +1,32 @@
+namespace Gitea.Declarative
+
+open System
+open System.Net.Http
+open Microsoft.Extensions.Logging.Console
+open Microsoft.Extensions.Options
+
+[<RequireQualifiedAccess>]
+module internal Utils =
+
+    let createLoggerProvider () =
+        let options =
+            let options = ConsoleLoggerOptions ()
+
+            { new IOptionsMonitor<ConsoleLoggerOptions> with
+                member _.Get _ = options
+                member _.CurrentValue = options
+
+                member _.OnChange _ =
+                    { new IDisposable with
+                        member _.Dispose () = ()
+                    }
+            }
+
+        new ConsoleLoggerProvider (options)
+
+    let createHttpClient (host : Uri) (apiKey : string) =
+        let client = new HttpClient ()
+        client.BaseAddress <- host
+        client.DefaultRequestHeaders.Add ("Authorization", $"token {apiKey}")
+
+        client