Add sharing options and a printable flyer page to the website

Implement share and PDF export buttons on the home page, and create a new flyer page with a customizable QR code for printing and distribution.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 923ae0e3-a363-4db8-b04a-e8baca2a1330
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Event-Id: a2b8df7d-660f-4020-961b-e37cb231d6a4
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/8af7d2ec-2cc3-4ece-8af3-9f071488d072/923ae0e3-a363-4db8-b04a-e8baca2a1330/Z3YUti7
Replit-Helium-Checkpoint-Created: true

pnpm-lock.yaml

@@ -403,6 +403,10 @@ importers:
         version: 3.25.76
 
   artifacts/voix-du-peuple:
+    dependencies:
+      qrcode.react:
+        specifier: ^4.2.0
+        version: 4.2.0(react@19.1.0)
     devDependencies:
       '@hookform/resolvers':
         specifier: ^3.10.0
@@ -2701,6 +2705,11 @@ packages:
     resolution: {integrity: sha512-uxFIHU0YlHYhDQtV4R9J6a52SLx28BCjT+4ieh7IGbgwVJWO+km431c4yRlREUAsAmt/uMjQUyQHNEPf0M39CA==}
     engines: {node: '>=6'}
 
+  qrcode.react@4.2.0:
+    resolution: {integrity: sha512-QpgqWi8rD9DsS9EP3z7BT+5lY5SFhsqGjpgW5DY/i3mK4M9DTBNz3ErMi8BWYEfI3L0d8GIbGmcdFAS1uIRGjA==}
+    peerDependencies:
+      react: ^16.8.0 || ^17.0.0 || ^18.0.0 || ^19.0.0
+
   qs@6.15.0:
     resolution: {integrity: sha512-mAZTtNCeetKMH+pSjrb76NAM8V9a05I9aBZOHztWy/UqcJdQYNsf59vrRKWnojAT9Y+GbIvoTBC++CPHqpDBhQ==}
     engines: {node: '>=0.6'}
@@ -5292,6 +5301,10 @@ snapshots:
 
   punycode.js@2.3.1: {}
 
+  qrcode.react@4.2.0(react@19.1.0):
+    dependencies:
+      react: 19.1.0
+
   qs@6.15.0:
     dependencies:
       side-channel: 1.1.0