Defined CSP To Prevent Malicious Connections

Attempt To Fix #46

Author: btpf

src-tauri/tauri.conf.json

@@ -11,6 +11,9 @@
     "version": "../package.json"
   },
   "tauri": {
+    "security": {
+      "csp": "default-src 'self' blob: https://asset.localhost/ http://127.0.0.1:16780/ https://en.wiktionary.org https://fonts.gstatic.com/ https://fonts.googleapis.com/; style-src 'self' 'unsafe-inline' blob: https://asset.localhost/ https://fonts.googleapis.com/"
+    },
     "cli": {
       "args": [{
         "name": "source",