Merge #637

637: Total Tasks in task route #636 r=brunoocasali a=tonyghouse

# Pull Request

## Related issue
Fixes #636 

## What does this PR do?
- Added Total Tasks in task route

## PR checklist
Please check if your PR fulfills the following requirements:
- [x] Does this PR fix an existing issue, or have you listed the changes applied in the PR description (and why they are needed)?
- [x] Have you read the contributing guidelines?
- [x] Have you made sure that the title is accurate and descriptive of the changes?

Thank you so much for contributing to Meilisearch!


Co-authored-by: Tony Ghouse <tonyghouseofficial@gmail.com>

src/main/java/com/meilisearch/sdk/model/TasksResults.java

@@ -13,6 +13,7 @@ public class TasksResults {
  protected int limit;
  protected int from;
  protected int next;
+ protected int total;
 
  public TasksResults() {}
 }