build: adiciona regras de spa router para apche, netlify, cloudflare e vercel

public/.htaccess

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+<IfModule mod_rewrite.c>
+  RewriteEngine On
+  RewriteBase /
+  RewriteRule ^index\.html$ - [L]
+  RewriteCond %{REQUEST_FILENAME} !-f
+  RewriteCond %{REQUEST_FILENAME} !-d
+  RewriteRule . /index.html [L]
+</IfModule>

public/_redirects

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+/*  /index.html  200

vercel.json

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+{
+  "rewrites": [
+    {
+      "source": "/(.*)",
+      "destination": "/index.html"
+    }
+  ]
+}