Add Netlify deployment configuration

Introduces netlify.toml to specify build environment versions, timezone, publish directory, and custom build command for Hugo site deployment.

netlify.toml

@@ -0,0 +1,13 @@
+[build.environment]
+DART_SASS_VERSION = "1.83.0"
+GO_VERSION = "1.23.4"
+HUGO_VERSION = "0.140.2"
+NODE_VERSION = "22.12.0"
+TZ = "Asia/Ho_Chi_Minh"
+
+[build]
+publish = "public"
+command = """\
+  git config core.quotepath false && \
+  hugo --gc --minify --baseURL "${URL}"
+  """