Fix mermaid markup (dotnet#10626)

documentation/wiki/Tasks.md

@@ -27,7 +27,7 @@ This uses the AssemblyTaskFactory to load the task from the .dll and create an i
 ```mermaid
 graph 
 
-I["Implement:\n extend ITask interface in .dll"] --> R["Register:\n < UsingTask/>"] --> U["Use in XML:\n &lt Target&gt &lt MyTask/&gt &lt Target/&gt"] --> In["Initialize:\n compile inline or load from assembly \n(TaskFactory)"] --> S["Setup:\n Set input properties\n (TaskExecutionHost)"] --> E["ITask.Execute()"] --> O["Gather outputs: \n (TaskExecutionHost)"]
+I["Implement:<br/>extend ITask interface in .dll"] --> R["Register:<br/>&lt;UsingTask /&gt;"] --> U["Use in XML:<br/>&lt;Target&gt;<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&lt;MyTask /&gt;<br/>&lt;/Target&gt;"] --> In["Initialize:<br/> compile inline or load from assembly <br/>(TaskFactory)"] --> S["Setup:<br/> Set input properties<br/> (TaskExecutionHost)"] --> E["ITask.Execute()"] --> O["Gather outputs: <br/> (TaskExecutionHost)"]
 ```
 
 ## Task Factories
@@ -54,4 +54,4 @@ Then they can use in project file:
 - [MSBuild task](https://learn.microsoft.com/visualstudio/msbuild/msbuild-task)
 - [Task reference](https://learn.microsoft.com/visualstudio/msbuild/msbuild-task-reference)
 - [Task Writing](https://learn.microsoft.com/visualstudio/msbuild/task-writing)
-- [Creating custom task tutorial](https://learn.microsoft.com/visualstudio/msbuild/tutorial-custom-task-code-generation)
+- [Creating custom task tutorial](https://learn.microsoft.com/visualstudio/msbuild/tutorial-custom-task-code-generation)