Add Tippy.js tooltips to focusable elements

package-lock.json

@@ -27,6 +27,7 @@
         "sanitize-html": "^2.13.0",
         "tailwindcss": "^3.4.9",
         "tiny-decode": "^0.1.3",
+        "tippy.js": "^6.3.7",
         "toml": "^3.0.0",
         "typescript": "^5.5.4"
       },
@@ -1686,6 +1687,16 @@
       "resolved": "https://registry.npmjs.org/@polka/url/-/url-1.0.0-next.25.tgz",
       "integrity": "sha512-j7P6Rgr3mmtdkeDGTe0E/aYyWEWVtc5yFXtHCRHs28/jptDEWfaVOc5T7cblqy1XKPPfCxJc/8DwQ5YgLOZOVQ=="
     },
+    "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/@rollup/rollup-android-arm-eabi": {
       "version": "4.13.0",
       "resolved": "https://registry.npmjs.org/@rollup/rollup-android-arm-eabi/-/rollup-android-arm-eabi-4.13.0.tgz",
@@ -6737,6 +6748,15 @@
         "entities": "^4.4.0"
       }
     },
+    "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/to-fast-properties": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/to-fast-properties/-/to-fast-properties-2.0.0.tgz",