Allow to specify website for party series

Author: homeworkprod

FORMAT.md

@@ -34,6 +34,16 @@ A series *may* have:
 
 * `alternative_names`, which is a non-empty list of alternative names of the
   party series.
+* A `links` section; see below.
+
+A links section *must* have:
+
+* A `website`, which:
+
+  * *must* specify `url`, which is a common URL like
+    `https://www.awesomelan.example/`.
+  * *can* specify `offline`, with a value of either `false` (the default) or
+    `true`.
 
 Minimal example of an entry:
 
@@ -50,6 +60,9 @@ Full example of an entry:
 slug = "awesome-lan"
 name = "Awesome LAN"
 alternative_names = ["That Awesome LAN Party"]
+
+[links.website]
+url = "https://www.awesomelan.example/"
 ```
 
 
@@ -157,6 +170,11 @@ url = "https://www.awesomelan.example/"
 ## Changelog
 
 
+### 0.10 (in preparation)
+
+* Added optional links section for series.
+
+
 ### 0.9 (2025-04-04)
 
 * Rename property `zip_code` to generic `postal_code` in section `location`.

schemas/series.json

@@ -28,6 +28,28 @@
             },
             "minItems": 1,
             "uniqueItems": true
+          },
+          "links": {
+            "type": "object",
+            "properties": {
+              "website": {
+                "type": "object",
+                "properties": {
+                  "url": {
+                    "type": "string"
+                  },
+                  "offline": {
+                    "type": "boolean"
+                  }
+                },
+                "required": [
+                  "url"
+                ]
+              }
+            },
+            "required": [
+              "website"
+            ]
           }
         },
         "required": [