Disallow all crawlers and dashboard indexing (netbirdio#131)

Author: mlsmaycon

public/index.html

@@ -5,6 +5,7 @@
     <link rel="icon" href="%PUBLIC_URL%/favicon.ico" />
     <meta name="viewport" content="width=device-width, initial-scale=1" />
     <meta name="theme-color" content="#000000" />
+    <meta name="robots" content="noindex">
     <meta
       name="description"
       content="NetBird Management Dashboard"

public/robots.txt

@@ -1,3 +1,3 @@
 # https://www.robotstxt.org/robotstxt.html
 User-agent: *
-Disallow:
+Disallow: /