Merge github.com:cloudconvert/cloudconvert-node into linting

Author: KnorpelSenf

README.md

@@ -94,7 +94,7 @@ const uploadTask = job.tasks.filter(task => task.name === 'upload-my-file')[0];
 
 const inputFile = fs.createReadStream('./file.pdf');
 
-await cloudConvert.tasks.upload(uploadTask, inputFile);
+await cloudConvert.tasks.upload(uploadTask, inputFile, 'file.pdf');
 ```
 
 ## Websocket Events

lib/TasksResource.ts

@@ -416,7 +416,11 @@ export default class TasksResource {
         await this.cloudConvert.axios.delete('tasks/' + id);
     }
 
-    async upload(task: Task | JobTask, stream: Stream): Promise<any> {
+    async upload(
+        task: Task | JobTask,
+        stream: Stream,
+        filename: string | null = null
+    ): Promise<any> {
         if (task.operation !== 'import/upload') {
             throw new Error('The task operation is not import/upload');
         }
@@ -431,7 +435,11 @@ export default class TasksResource {
             formData.append(parameter, task.result.form.parameters[parameter]);
         }
 
-        formData.append('file', stream);
+        let fileOptions = {};
+        if (filename) {
+            fileOptions = { filename };
+        }
+        formData.append('file', stream, fileOptions);
 
         return await this.cloudConvert.axios.post(
             task.result.form.url,