Fixed critical issue (#28)

* Added methods to upload a file to gitlab for later use in markdown aware fields.

* Fixed typo caused by ReSharpers refactoring.

* Form-part name ist now set as required.

* Moved projectId property to Request model to ensure that pattern is the same verywhere.

* Resolved critical issue, setting the wrong property, fixed documentation.

* Update README.md

* Reveretd changes done to Package config.

* Restored package id.

Author: yankun

src/GitLabApiClient/GitLabApiClient.csproj

@@ -14,6 +14,8 @@
     <RepositoryUrl>https://github.com/nmklotas/GitLabApiClient</RepositoryUrl>
     <RepositoryType />
     <PackageTags>GitLab REST API CI Client</PackageTags>
+    <PackageId>GitLabApiClient</PackageId>
+    <Company>nmklotas</Company>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|AnyCPU'">

src/GitLabApiClient/Models/Uploads/Requests/CreateUploadRequest.cs

@@ -10,13 +10,22 @@ namespace GitLabApiClient.Models.Uploads.Requests
     /// </summary>
     public sealed class CreateUploadRequest
     {
+        /// <summary>
+        /// Creates a new instance if the create upload request
+        /// </summary>
+        /// <param name="projectId">The id of the project, the file should be uploaded to</param>
+        /// <param name="stream">The stream to be uploaded</param>
+        /// <param name="fileName">The name of the file being uploaded</param>
         public CreateUploadRequest(string projectId, Stream stream, string fileName)
         {
-            projectId = projectId;
+            ProjectId = projectId;
             Stream = stream;
             FileName = fileName;
         }
 
+        /// <summary>
+        /// The id of the project, the file should be uploaded to
+        /// </summary>
         public string ProjectId { get; }
 
         /// <summary>

src/GitLabApiClient/UploadsClient.cs

@@ -20,9 +20,8 @@ internal UploadsClient(GitLabHttpFacade httpFacade) =>
             _httpFacade = httpFacade;
 
         /// <summary>
-        /// Uploadses a file for the provided project. 
+        /// Uploads a file for the provided project. 
         /// </summary>
-        /// <param name="projectId">The id of the project</param>
         /// <param name="uploadRequest">The upload request containing the filename and stream to be uploaded</param>
         /// <returns>A <see cref="Upload"/> object.
         /// Use the <see cref="Upload.Markdown"/> property to place the image in your markdown text.