feat: dist-site 多主题模板 + 中英双语 i18n

- 新增 4 套主题模板：starter/default/dark/minimal
  - Starter: 毛玻璃 + GradientText + SpotlightCard (原有风格)
  - Default: Aurora 极光背景 + SplitText + TiltedCard
  - Dark: Particles 粒子 + DecryptedText 赛博朋克风格
  - Minimal: 极简优雅 + FadeContent 淡入动画
- 新增 i18n 中英双语支持 (i18next + browser-languagedetector)
- 新增 ThemeProvider 运行时主题切换 (根据 theme_template 字段)
- 新增 11 个 react-bits 动画组件
- 所有页面文案国际化 (Login/Register/Dashboard/Tokens/Pricing/Packages)
- 新增 README.md + README.zh.md 含主题切换指南

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

package-lock.json

@@ -10,10 +10,14 @@
       "license": "MIT",
       "dependencies": {
         "axios": "^1.7.0",
+        "i18next": "^25.9.0",
+        "i18next-browser-languagedetector": "^8.2.1",
         "motion": "^12.0.0",
+        "ogl": "^1.0.11",
         "react": "^18.3.0",
         "react-dom": "^18.3.0",
         "react-hot-toast": "^2.4.1",
+        "react-i18next": "^16.5.8",
         "react-router-dom": "^6.26.0"
       },
       "devDependencies": {
@@ -272,6 +276,15 @@
         "@babel/core": "^7.0.0-0"
       }
     },
+    "node_modules/@babel/runtime": {
+      "version": "7.29.2",
+      "resolved": "https://registry.npmmirror.com/@babel/runtime/-/runtime-7.29.2.tgz",
+      "integrity": "sha512-JiDShH45zKHWyGe4ZNVRrCjBz8Nh9TMmZG1kh4QTK8hCBTWBi8Da+i7s1fJw7/lYpM4ccepSNfqzZ/QvABBi5g==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=6.9.0"
+      }
+    },
     "node_modules/@babel/template": {
       "version": "7.28.6",
       "resolved": "https://registry.npmmirror.com/@babel/template/-/template-7.28.6.tgz",
@@ -1971,6 +1984,55 @@
         "node": ">= 0.4"
       }
     },
+    "node_modules/html-parse-stringify": {
+      "version": "3.0.1",
+      "resolved": "https://registry.npmmirror.com/html-parse-stringify/-/html-parse-stringify-3.0.1.tgz",
+      "integrity": "sha512-KknJ50kTInJ7qIScF3jeaFRpMpE8/lfiTdzf/twXyPBLAGrLRTmkz3AdTnKeh40X8k9L2fdYwEp/42WGXIRGcg==",
+      "license": "MIT",
+      "dependencies": {
+        "void-elements": "3.1.0"
+      }
+    },
+    "node_modules/i18next": {
+      "version": "25.9.0",
+      "resolved": "https://registry.npmmirror.com/i18next/-/i18next-25.9.0.tgz",
+      "integrity": "sha512-mJ4rVRNWOTkqh5xnaGR6iMFT5vEw3Y2MTJhcjinR/7u8cRv6dAfC0ofuePh5fVPxoh395p6JdrJTStCcNW66gg==",
+      "funding": [
+        {
+          "type": "individual",
+          "url": "https://locize.com"
+        },
+        {
+          "type": "individual",
+          "url": "https://locize.com/i18next.html"
+        },
+        {
+          "type": "individual",
+          "url": "https://www.i18next.com/how-to/faq#i18next-is-awesome.-how-can-i-support-the-project"
+        }
+      ],
+      "license": "MIT",
+      "dependencies": {
+        "@babel/runtime": "^7.28.6"
+      },
+      "peerDependencies": {
+        "typescript": "^5"
+      },
+      "peerDependenciesMeta": {
+        "typescript": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/i18next-browser-languagedetector": {
+      "version": "8.2.1",
+      "resolved": "https://registry.npmmirror.com/i18next-browser-languagedetector/-/i18next-browser-languagedetector-8.2.1.tgz",
+      "integrity": "sha512-bZg8+4bdmaOiApD7N7BPT9W8MLZG+nPTOFlLiJiT8uzKXFjhxw4v2ierCXOwB5sFDMtuA5G4kgYZ0AznZxQ/cw==",
+      "license": "MIT",
+      "dependencies": {
+        "@babel/runtime": "^7.23.2"
+      }
+    },
     "node_modules/is-binary-path": {
       "version": "2.1.0",
       "resolved": "https://registry.npmmirror.com/is-binary-path/-/is-binary-path-2.1.0.tgz",
@@ -2287,6 +2349,12 @@
         "node": ">= 6"
       }
     },
+    "node_modules/ogl": {
+      "version": "1.0.11",
+      "resolved": "https://registry.npmmirror.com/ogl/-/ogl-1.0.11.tgz",
+      "integrity": "sha512-kUpC154AFfxi16pmZUK4jk3J+8zxwTWGPo03EoYA8QPbzikHoaC82n6pNTbd+oEaJonaE8aPWBlX7ad9zrqLsA==",
+      "license": "Unlicense"
+    },
     "node_modules/path-parse": {
       "version": "1.0.7",
       "resolved": "https://registry.npmmirror.com/path-parse/-/path-parse-1.0.7.tgz",
@@ -2566,6 +2634,33 @@
         "react-dom": ">=16"
       }
     },
+    "node_modules/react-i18next": {
+      "version": "16.5.8",
+      "resolved": "https://registry.npmmirror.com/react-i18next/-/react-i18next-16.5.8.tgz",
+      "integrity": "sha512-2ABeHHlakxVY+LSirD+OiERxFL6+zip0PaHo979bgwzeHg27Sqc82xxXWIrSFmfWX0ZkrvXMHwhsi/NGUf5VQg==",
+      "license": "MIT",
+      "dependencies": {
+        "@babel/runtime": "^7.28.4",
+        "html-parse-stringify": "^3.0.1",
+        "use-sync-external-store": "^1.6.0"
+      },
+      "peerDependencies": {
+        "i18next": ">= 25.6.2",
+        "react": ">= 16.8.0",
+        "typescript": "^5"
+      },
+      "peerDependenciesMeta": {
+        "react-dom": {
+          "optional": true
+        },
+        "react-native": {
+          "optional": true
+        },
+        "typescript": {
+          "optional": true
+        }
+      }
+    },
     "node_modules/react-refresh": {
       "version": "0.17.0",
       "resolved": "https://registry.npmmirror.com/react-refresh/-/react-refresh-0.17.0.tgz",
@@ -2963,6 +3058,15 @@
         "browserslist": ">= 4.21.0"
       }
     },
+    "node_modules/use-sync-external-store": {
+      "version": "1.6.0",
+      "resolved": "https://registry.npmmirror.com/use-sync-external-store/-/use-sync-external-store-1.6.0.tgz",
+      "integrity": "sha512-Pp6GSwGP/NrPIrxVFAIkOQeyw8lFenOHijQWkUTrDvrF4ALqylP2C/KCkeS9dpUM3KvYRQhna5vt7IL95+ZQ9w==",
+      "license": "MIT",
+      "peerDependencies": {
+        "react": "^16.8.0 || ^17.0.0 || ^18.0.0 || ^19.0.0"
+      }
+    },
     "node_modules/util-deprecate": {
       "version": "1.0.2",
       "resolved": "https://registry.npmmirror.com/util-deprecate/-/util-deprecate-1.0.2.tgz",
@@ -3030,6 +3134,15 @@
         }
       }
     },
+    "node_modules/void-elements": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmmirror.com/void-elements/-/void-elements-3.1.0.tgz",
+      "integrity": "sha512-Dhxzh5HZuiHQhbvTW9AMetFfBHDMYpo23Uo9btPXgdYP+3T5S+p+jgNy7spra+veYhBP2dCSgxR/i2Y02h5/6w==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
     "node_modules/yallist": {
       "version": "3.1.1",
       "resolved": "https://registry.npmmirror.com/yallist/-/yallist-3.1.1.tgz",