Update fertagus.pt.dmfr.json

[jonaes]

add licence

[github-actions]

DMFR Format Check Results

This PR includes files that need formatting adjustments to follow the "opinionated" DMFR format.

Suggested Changes:

diff --git a/feeds/fertagus.pt.dmfr.json b/feeds/fertagus.pt.dmfr.json
index 2fff980d..9be8cd6d 100644
--- a/feeds/fertagus.pt.dmfr.json
+++ b/feeds/fertagus.pt.dmfr.json
@@ -13,7 +13,7 @@
       },
       "license": {
         "spdx_identifier": "CC0-1.0",
-        "url": "https://dados.gov.pt/pt/datasets/informacao-sobre-transportes-publicos-da-cidade-de-lisboa-fertagus/"        
+        "url": "https://dados.gov.pt/pt/datasets/informacao-sobre-transportes-publicos-da-cidade-de-lisboa-fertagus/"
       },
       "operators": [
         {

You can apply these changes by:

1. Using a code editor
2. Running transitland-lib locally
3. Waiting for a maintainer to help

Thank you for contributing to Transitland Atlas! 🚀