Add sympa (#2440)

* Add sympa

Sympa is a [popular]( https://www.sympa.org/users/custom )
mailing-list management software.

This commit can be tested [here](https://lists.riseup.net/www/)
and [here](https://wp.medicalistes.fr/wws) or even [here](http://lists1.kyxar.fr/sympa).

* Fix the ci ?

* meh

src/apps.json

@@ -9540,6 +9540,18 @@
       "implies": "PHP",
       "website": "http://symfony.com"
     },
+    "Sympa": {
+      "cats": [
+        30
+      ],
+      "meta": {
+        "generator": "^Sympa$"
+      },
+			"html": "<a href=\"https?://www\\.sympa\\.org\">\\s*Powered by Sympa\\s*</a>",
+      "icon": "sympa.png",
+      "implies": "Perl",
+      "website": "https://www.sympa.org/"
+    },
     "Synology DiskStation": {
       "cats": [
         48