README.md: updated Gruppo font index entry

It appears the Gruppo font index entry is out-of-date. Hence,
let's update it.

This patch updates Gruppo font index entry in README.md.

Co-authored-by: Shuralyov, Jean <jeanshuralyov@gmail.com>
Co-authored-by: Galyna, Cory <cory.galyna@gmail.com>
Co-authored-by: 湘渝萱 <alice.xiang.yu.xuan@gmail.com>
Co-authored-by: (Holloway) Chew, Kean Ho <me@chewkeanho.com>
Reviewed-by: (Holloway) Chew, Kean Ho <me@chewkeanho.com>
Signed-off-by: (Holloway) Chew, Kean Ho <me@chewkeanho.com>

Author: 4 people

README.md

@@ -556,6 +556,9 @@ public to use.
 * **Grey Qo Font** - *a re-distributed OFL-licensed Latin font.* |
   [GitHub](https://github.com/ChewKeanHo/visuals-fonts-grey-qo) |
   [Internal (Private URL)](/ChewKeanHo/visuals-fonts-grey-qo)
+* **Gruppo Font** - *a re-distributed OFL-licensed Latin font.* |
+  [GitHub](https://github.com/ChewKeanHo/visuals-fonts-gruppo) |
+  [Internal (Private URL)](/ChewKeanHo/visuals-fonts-gruppo)
 * **Gwendolyn Font** - *a re-distributed OFL-licensed Latin font.* |
   [GitHub](https://github.com/ChewKeanHo/visuals-fonts-gwendolyn) |
   [Internal (Private URL)](/ChewKeanHo/visuals-fonts-gwendolyn)

profile/README.md

@@ -556,6 +556,9 @@ public to use.
 * **Grey Qo Font** - *a re-distributed OFL-licensed Latin font.* |
   [GitHub](https://github.com/ChewKeanHo/visuals-fonts-grey-qo) |
   [Internal (Private URL)](/ChewKeanHo/visuals-fonts-grey-qo)
+* **Gruppo Font** - *a re-distributed OFL-licensed Latin font.* |
+  [GitHub](https://github.com/ChewKeanHo/visuals-fonts-gruppo) |
+  [Internal (Private URL)](/ChewKeanHo/visuals-fonts-gruppo)
 * **Gwendolyn Font** - *a re-distributed OFL-licensed Latin font.* |
   [GitHub](https://github.com/ChewKeanHo/visuals-fonts-gwendolyn) |
   [Internal (Private URL)](/ChewKeanHo/visuals-fonts-gwendolyn)