Add Tippy.js for tooltips in UptimeStatusIsland component and update styles

- Integrated Tippy.js for enhanced tooltip functionality in the UptimeStatusIsland component, providing detailed heartbeat information on hover.
- Added custom styles for Tippy.js tooltips to support light and dark themes.
- Updated package.json and package-lock.json to include @tippyjs/react and its dependencies.

package-lock.json

@@ -15,6 +15,7 @@
         "@astrolib/analytics": "^0.6.1",
         "@astrolib/seo": "^1.0.0-beta.8",
         "@fontsource-variable/inter": "^5.1.1",
+        "@tippyjs/react": "^4.2.6",
         "@types/react": "^19.0.10",
         "@types/react-dom": "^19.0.4",
         "astro": "^5.2.3",
@@ -2329,6 +2330,16 @@
         "fast-glob": "3.3.3"
       }
     },
+    "node_modules/@popperjs/core": {
+      "version": "2.11.8",
+      "resolved": "https://registry.npmjs.org/@popperjs/core/-/core-2.11.8.tgz",
+      "integrity": "sha512-P1st0aksCrn9sGZhp8GMYwBnQsbvAWsZAX44oXNNvLHGqAOcoVxmjZiohstwQ7SqKnbR47akdNi+uleWD8+g6A==",
+      "license": "MIT",
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/popperjs"
+      }
+    },
     "node_modules/@qwik.dev/partytown": {
       "version": "0.11.1",
       "resolved": "https://registry.npmjs.org/@qwik.dev/partytown/-/partytown-0.11.1.tgz",
@@ -2731,6 +2742,19 @@
         "tailwindcss": ">=3.0.0 || insiders || >=4.0.0-alpha.20 || >=4.0.0-beta.1"
       }
     },
+    "node_modules/@tippyjs/react": {
+      "version": "4.2.6",
+      "resolved": "https://registry.npmjs.org/@tippyjs/react/-/react-4.2.6.tgz",
+      "integrity": "sha512-91RicDR+H7oDSyPycI13q3b7o4O60wa2oRbjlz2fyRLmHImc4vyDwuUP8NtZaN0VARJY5hybvDYrFzhY9+Lbyw==",
+      "license": "MIT",
+      "dependencies": {
+        "tippy.js": "^6.3.1"
+      },
+      "peerDependencies": {
+        "react": ">=16.8",
+        "react-dom": ">=16.8"
+      }
+    },
     "node_modules/@trysound/sax": {
       "version": "0.2.0",
       "resolved": "https://registry.npmjs.org/@trysound/sax/-/sax-0.2.0.tgz",
@@ -11123,6 +11147,15 @@
         "url": "https://github.com/sponsors/SuperchupuDev"
       }
     },
+    "node_modules/tippy.js": {
+      "version": "6.3.7",
+      "resolved": "https://registry.npmjs.org/tippy.js/-/tippy.js-6.3.7.tgz",
+      "integrity": "sha512-E1d3oP2emgJ9dRQZdf3Kkn0qJgI6ZLpyS5z6ZkY1DF3kaQaBsGZsndEpHwx+eC+tYM41HaSNvNtLx8tU57FzTQ==",
+      "license": "MIT",
+      "dependencies": {
+        "@popperjs/core": "^2.9.0"
+      }
+    },
     "node_modules/tlds": {
       "version": "1.259.0",
       "resolved": "https://registry.npmjs.org/tlds/-/tlds-1.259.0.tgz",