added recipe maintainer

Author: remi-kazeroni

files/recipe_warming_stripes.yml

@@ -6,6 +6,8 @@ documentation:
   title: Reproducing Ed Hawkins' warming stripes visualization.
   authors:
     - righi_mattia
+  maintainer:
+    - righi_mattia
 
 datasets:
   - {dataset: BCC-ESM1, project: CMIP6, mip: Amon, exp: historical, ensemble: r1i1p1f1, grid: gn, start_year: 1850, end_year: 2014}