Update plugins.json (#163)

Author: glesdora

data/plugins.json

@@ -90,6 +90,13 @@
     "type": "Instrument",
     "frameworks": ["JUCE"]
   },
+  {
+    "name": "BORIS Granular Station",
+    "url": "https://glesdora.github.io/boris-granular-station/",
+    "description": "A live-input granular plugin",
+    "type": "Effect",
+    "frameworks": ["JUCE"]
+  },
   {
     "name": "C1Bitcrusher",
     "url": "https://github.com/datajake1999/C1Bitcrusher",