Added Mac version of RTL_SDR plugin

plugins/PulsumQuadratum-rtlsdr.json

@@ -0,0 +1,17 @@
+{
+  "slug": "PulsumQuadratum-rtlsdr",
+  "name": "Pulsum Quadratum RTL_SDR",
+  "author": "Jon Williams",
+  "license": "GPL-2",
+  "version": "0.5.0",
+  "homepage": "https://github.com/WIZARDISHUNGRY/vcvrack-rtlsdr/",
+  "donation": "https://www.paypal.me/wizardishungry",
+  "manual": "https://github.com/WIZARDISHUNGRY/vcvrack-rtlsdr/",
+  "source": "https://github.com/WIZARDISHUNGRY/vcvrack-rtlsdr/",
+  "downloads": {
+    "mac": {
+      "download": "https://github.com/WIZARDISHUNGRY/vcvrack-rtlsdr/releases/download/v0.5.0/rtlsdr-0.5.0-mac.zip",
+      "sha256": "d8f3dcf2fa5ed8cf65555b41e55937e57b2abaf13211dbbd1c79bcfd1e67a8f2"
+    }
+  }
+}