add jam tag

.github/ISSUE_TEMPLATE/add-mod.yml

@@ -43,6 +43,7 @@ body:
       multiple: true
       options:
         # These options have to match the ones defined in mods.schema.json
+        - jam
         - library
         - gameplay
         - tweaks

mods.schema.json

@@ -57,6 +57,7 @@
             "description": "List of tags that describe the mod, used for filtering mod lists. If changing this list, make sure to also update the tags in the issue template add-mod.yml",
             "items": {
               "enum": [
+                "jam",
                 "library",
                 "gameplay",
                 "tweaks",