[Add] Framer rewrite for /framer-test route (#4577)

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## PR-Codex overview
This PR updates the `next.config.js` file to enhance security policies and add new redirect paths for Framer.

### Detailed summary
- Updated `style-src` and `font-src` directives to include `vercel.live`, `assets.vercel.com`, and `framerusercontent.com`.
- Added `framerusercontent.com` and `events.framer.com` to the `script-src` directive.
- Introduced `FRAMER_PATHS` for specific redirect paths.
- Added new redirect mappings for Framer paths to `https://landing.thirdweb.com`.

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Author: jnsdls

apps/dashboard/next.config.js

@@ -5,10 +5,10 @@ const ContentSecurityPolicy = `
   img-src * data: blob:;
   media-src * data: blob:;
   object-src 'none';
-  style-src 'self' 'unsafe-inline' https://vercel.live;
-  font-src 'self' https://vercel.live https://assets.vercel.com;
+  style-src 'self' 'unsafe-inline' vercel.live;
+  font-src 'self' vercel.live assets.vercel.com framerusercontent.com;
   frame-src * data:;
-  script-src 'self' 'unsafe-eval' 'unsafe-inline' 'wasm-unsafe-eval' 'inline-speculation-rules' *.thirdweb.com *.thirdweb-dev.com vercel.live js.stripe.com;
+  script-src 'self' 'unsafe-eval' 'unsafe-inline' 'wasm-unsafe-eval' 'inline-speculation-rules' *.thirdweb.com *.thirdweb-dev.com vercel.live js.stripe.com framerusercontent.com events.framer.com;
   connect-src * data: blob:;
   worker-src 'self' blob:;
   block-all-mixed-content;
@@ -39,6 +39,9 @@ const securityHeaders = [
 
 const redirects = require("./redirects");
 
+// add framer paths here
+const FRAMER_PATHS = ["/connect/sign-in", "/contracts/modular-contracts"];
+
 /**
  * @returns {import('next').RemotePattern[]}
  */
@@ -128,6 +131,10 @@ const moduleExports = {
         source: "/thirdweb.eth/:path*",
         destination: "/deployer.thirdweb.eth/:path*",
       },
+      ...FRAMER_PATHS.map((path) => ({
+        source: path,
+        destination: `https://landing.thirdweb.com${path}`,
+      })),
     ];
   },
   images: {