Add Eveve/Appointment, Booking widget

src/technologies.json

@@ -4584,6 +4584,17 @@
       ],
       "website": "https://etherpad.org"
     },
+    "Eveve": {
+      "cats": [
+        5,
+        72
+      ],
+      "implies": "PHP",
+      "description": "Eveve is a restaurant table booking widget.",
+      "icon": "Eveve.svg",
+      "html": "<iframe[^>]*[\\w]+\\.eveve\\.com",
+      "website": "https://www.eveve.com"
+    },
     "Exhibit": {
       "cats": [
         25