Update plugins.json

Added new section for reanimated     
"KANBOARD-plugin-broadcast"

plugins.json

@@ -287,7 +287,24 @@
         "remote_install": true,
         "title": "Boardcustomizer",
         "version": "1.1.0"
-    },
+    },        
+    "Broadcast": {
+    "author": "Frédéric Guillot, Balázs Úr, Rainer Bielefeld",
+    "compatible_version": ">=1.2.3",
+    "description": "Broadcast Messages by WEB Popup or E-Mail",
+    "download": "https://github.com/RainerBielefeld/KANBOARD-plugin-broadcast/releases/tag/1.1.0",
+    "has_hooks": true,
+    "has_overrides": true,
+    "has_schema": true,
+    "homepage": "https://github.com/RainerBielefeld/KANBOARD-plugin-broadcast/",
+    "is_type": "plugin",
+    "last_updated": "${DATE}",
+    "license": "MIT",
+    "readme": "https://github.com/RainerBielefeld/KANBOARD-plugin-broadcast/blob/master/README.md",
+    "remote_install": true,
+    "title": "Broadcast",
+    "version": "${VERSION}"
+    }
     "Budget": {
         "author": "Frédéric Guillot",
         "compatible_version": ">=1.0.37",