feat: improve seo, trust signals, and performance

package-lock.json

@@ -9,6 +9,7 @@
       "version": "0.1.0",
       "dependencies": {
         "@astrojs/node": "^9.5.5",
+        "@astrojs/sitemap": "^3.7.3",
         "astro": "^5.18.1"
       },
       "devDependencies": {
@@ -184,6 +185,26 @@
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+    "node_modules/@astrojs/sitemap": {
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+      "resolved": "https://registry.npmjs.org/@astrojs/sitemap/-/sitemap-3.7.3.tgz",
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+      "license": "MIT",
+      "dependencies": {
+        "sitemap": "^9.0.0",
+        "stream-replace-string": "^2.0.0",
+        "zod": "^4.3.6"
+      }
+    },
+    "node_modules/@astrojs/sitemap/node_modules/zod": {
+      "version": "4.4.3",
+      "resolved": "https://registry.npmjs.org/zod/-/zod-4.4.3.tgz",
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+      "license": "MIT",
+      "funding": {
+        "url": "https://github.com/sponsors/colinhacks"
+      }
+    },
     "node_modules/@astrojs/telemetry": {
       "version": "3.3.0",
       "resolved": "https://registry.npmjs.org/@astrojs/telemetry/-/telemetry-3.3.0.tgz",
@@ -1704,6 +1725,24 @@
         "@types/unist": "*"
       }
     },
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+      "version": "24.13.3",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-24.13.3.tgz",
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+      "license": "MIT",
+      "dependencies": {
+        "undici-types": "~7.18.0"
+      }
+    },
+    "node_modules/@types/sax": {
+      "version": "1.2.7",
+      "resolved": "https://registry.npmjs.org/@types/sax/-/sax-1.2.7.tgz",
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+      "license": "MIT",
+      "dependencies": {
+        "@types/node": "*"
+      }
+    },
     "node_modules/@types/unist": {
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       "resolved": "https://registry.npmjs.org/@types/unist/-/unist-3.0.3.tgz",
@@ -1957,6 +1996,12 @@
         "url": "https://github.com/sponsors/jonschlinkert"
       }
     },
+    "node_modules/arg": {
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+      "resolved": "https://registry.npmjs.org/arg/-/arg-5.0.2.tgz",
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+      "license": "MIT"
+    },
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       "resolved": "https://registry.npmjs.org/argparse/-/argparse-2.0.1.tgz",
@@ -4976,6 +5021,25 @@
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       "license": "MIT"
     },
+    "node_modules/sitemap": {
+      "version": "9.0.1",
+      "resolved": "https://registry.npmjs.org/sitemap/-/sitemap-9.0.1.tgz",
+      "integrity": "sha512-S6hzjGJSG3d6if0YoF5kTyeRJvia6FSTBroE5fQ0bu1QNxyJqhhinfUsXi9fH3MgtXODWvwo2BDyQSnhPQ88uQ==",
+      "license": "MIT",
+      "dependencies": {
+        "@types/node": "^24.9.2",
+        "@types/sax": "^1.2.1",
+        "arg": "^5.0.0",
+        "sax": "^1.4.1"
+      },
+      "bin": {
+        "sitemap": "dist/esm/cli.js"
+      },
+      "engines": {
+        "node": ">=20.19.5",
+        "npm": ">=10.8.2"
+      }
+    },
     "node_modules/smol-toml": {
       "version": "1.6.1",
       "resolved": "https://registry.npmjs.org/smol-toml/-/smol-toml-1.6.1.tgz",
@@ -5016,6 +5080,12 @@
         "node": ">= 0.8"
       }
     },
+    "node_modules/stream-replace-string": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/stream-replace-string/-/stream-replace-string-2.0.0.tgz",
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+      "license": "MIT"
+    },
     "node_modules/string-width": {
       "version": "7.2.0",
       "resolved": "https://registry.npmjs.org/string-width/-/string-width-7.2.0.tgz",
@@ -5234,6 +5304,12 @@
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       "license": "MIT"
     },
+    "node_modules/undici-types": {
+      "version": "7.18.2",
+      "resolved": "https://registry.npmjs.org/undici-types/-/undici-types-7.18.2.tgz",
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+      "license": "MIT"
+    },
     "node_modules/unified": {
       "version": "11.0.5",
       "resolved": "https://registry.npmjs.org/unified/-/unified-11.0.5.tgz",