feat: add netlify.toml for PR deploy previews

Author: Vaishnav88sk

netlify.toml

@@ -0,0 +1,47 @@
+[build]
+  publishDir = "public"
+
+[build.environment]
+  HUGO_VERSION = "0.123.0"
+  NODE_VERSION = "20"
+
+[[redirects]]
+  from = "/docs/*"
+  to = "/documentation/:splat"
+  status = 301
+
+[[redirects]]
+  from = "/blog/*"
+  to = "/blog/:splat"
+  status = 301
+
+[[headers]]
+  for = "/*"
+  [headers.values]
+    X-Frame-Options = "DENY"
+    X-Content-Type-Options = "nosniff"
+    Referrer-Policy = "strict-origin-when-cross-origin"
+
+[[headers]]
+  for = "*.js"
+  [headers.values]
+    Cache-Control = "public, max-age=31536000"
+
+[[headers]]
+  for = "*.css"
+  [headers.values]
+    Cache-Control = "public, max-age=31536000"
+
+[[headers]]
+  for = "*.png"
+  [headers.values]
+    Cache-Control = "public, max-age=2592000"
+
+[context.production.environment]
+  HUGO_ENV = "production"
+
+[context.deploy-preview.environment]
+  HUGO_ENV = "preview"
+
+[context.branch-deploy.environment]
+  HUGO_ENV = "staging"