feat: Add bootstrap icons dependency

- Add node package for bootstrap icons
- New eleventy config addPassthroughCopy for package files
- Change link to local resource
- Change all node dependencies to production

package-lock.json

@@ -8,6 +8,9 @@
       "name": "hippie",
       "version": "0.13.1",
       "license": "MIT",
+      "dependencies": {
+        "bootstrap-icons": "^1.13.1"
+      },
       "devDependencies": {
         "@11ty/eleventy": "^2.0.1",
         "sass": "^1.69.4"
@@ -449,6 +452,22 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
+    "node_modules/bootstrap-icons": {
+      "version": "1.13.1",
+      "resolved": "https://registry.npmjs.org/bootstrap-icons/-/bootstrap-icons-1.13.1.tgz",
+      "integrity": "sha512-ijombt4v6bv5CLeXvRWKy7CuM3TRTuPEuGaGKvTV5cz65rQSY8RQ2JcHt6b90cBBAC7s8fsf2EkQDldzCoXUjw==",
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/twbs"
+        },
+        {
+          "type": "opencollective",
+          "url": "https://opencollective.com/bootstrap"
+        }
+      ],
+      "license": "MIT"
+    },
     "node_modules/brace-expansion": {
       "version": "1.1.11",
       "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-1.1.11.tgz",