feat: add launcher manifest to minecraft-jars

gen_versions.py

@@ -98,6 +98,10 @@ def get_vanilla_details(version: str):
         'serverJar': server,
         'clientJar': client,
         'javaVersion': javaVersion,
+        'manifest': {
+            'url': LAUNCHER_MANIFEST[version]['url'],
+            'sha1': LAUNCHER_MANIFEST[version]['sha1'],
+        }
     }
 
 def get_libraries(libraries):

minecraft-jars.nix

@@ -24,6 +24,7 @@ lib.mapAttrs'
         url = value.vanilla.serverJar.url;
         sha1 = value.vanilla.serverJar.sha1;
       };
+      manifest = fetchurl value.vanilla.manifest;
       javaVersion = getJavaVersion value.vanilla.javaVersion;
     };
   })