Add FloatingMenu component and integrate DocsButton; update styles for ThemeButton and FloatingMenu

frontend/package-lock.json

@@ -16,6 +16,7 @@
         "axios": "^1.9.0",
         "bootstrap": "^5.3.3",
         "chart.js": "^4.4.8",
+        "framer-motion": "^12.14.0",
         "leaflet": "^1.9.4",
         "leaflet.heat": "^0.2.0",
         "react": "^19.0.0",
@@ -3706,6 +3707,33 @@
         "node": ">=0.4.x"
       }
     },
+    "node_modules/framer-motion": {
+      "version": "12.14.0",
+      "resolved": "https://registry.npmjs.org/framer-motion/-/framer-motion-12.14.0.tgz",
+      "integrity": "sha512-P/CLiA+YLc0GL1nB2bgtRBFAbRh0aawU5KPLqnXi6QEZQE2BEwqgIH8qUIT7cMN+4a4nj0iZ2uWTKOrzcYsyGQ==",
+      "license": "MIT",
+      "dependencies": {
+        "motion-dom": "^12.14.0",
+        "motion-utils": "^12.12.1",
+        "tslib": "^2.4.0"
+      },
+      "peerDependencies": {
+        "@emotion/is-prop-valid": "*",
+        "react": "^18.0.0 || ^19.0.0",
+        "react-dom": "^18.0.0 || ^19.0.0"
+      },
+      "peerDependenciesMeta": {
+        "@emotion/is-prop-valid": {
+          "optional": true
+        },
+        "react": {
+          "optional": true
+        },
+        "react-dom": {
+          "optional": true
+        }
+      }
+    },
     "node_modules/fsevents": {
       "version": "2.3.3",
       "resolved": "https://registry.npmjs.org/fsevents/-/fsevents-2.3.3.tgz",
@@ -4802,6 +4830,21 @@
         "node": "*"
       }
     },
+    "node_modules/motion-dom": {
+      "version": "12.14.0",
+      "resolved": "https://registry.npmjs.org/motion-dom/-/motion-dom-12.14.0.tgz",
+      "integrity": "sha512-t5v1QNXrOsLmIzTdmB9OlZ1cA8zkHlpPhn85123/B+8Xe6tiENWKELAZm0yvAoFjcbFmq4u80uUXortZTTvDbg==",
+      "license": "MIT",
+      "dependencies": {
+        "motion-utils": "^12.12.1"
+      }
+    },
+    "node_modules/motion-utils": {
+      "version": "12.12.1",
+      "resolved": "https://registry.npmjs.org/motion-utils/-/motion-utils-12.12.1.tgz",
+      "integrity": "sha512-f9qiqUHm7hWSLlNW8gS9pisnsN7CRFRD58vNjptKdsqFLpkVnX00TNeD6Q0d27V9KzT7ySFyK1TZ/DShfVOv6w==",
+      "license": "MIT"
+    },
     "node_modules/ms": {
       "version": "2.1.3",
       "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",