feat: add react-router-dom for routing and implement plugin detail view

- Updated package.json to include react-router-dom dependency.
- Refactored App component to use React Router for navigation.
- Created PluginDetail component to display detailed information about a selected plugin.
- Added fetch functions for releases and commits in the server code.
- Enhanced UI with new styles for dark mode and improved layout.
- Implemented caching for API responses to optimize performance.

src/App.css

@@ -1,5 +1,5 @@
 :root {
-    color-scheme: light;
+    color-scheme: light dark;
 }
 
 .app {
@@ -10,6 +10,12 @@
     padding: 48px 8vw 64px;
 }
 
+.page {
+    display: flex;
+    flex-direction: column;
+    gap: 32px;
+}
+
 .hero {
     display: flex;
     align-items: center;
@@ -62,6 +68,13 @@
     gap: 20px;
 }
 
+.actions {
+    display: flex;
+    align-items: center;
+    gap: 12px;
+    margin-top: auto;
+}
+
 .card {
     background: #fff;
     border-radius: 20px;
@@ -121,12 +134,20 @@
 }
 
 .link {
-    margin-top: auto;
     color: #4f46e5;
     font-weight: 600;
     text-decoration: none;
 }
 
+.ghost {
+    border: 1px solid #c7d2fe;
+    color: #4338ca;
+    padding: 8px 14px;
+    border-radius: 999px;
+    text-decoration: none;
+    font-weight: 600;
+}
+
 .state {
     background: #fff;
     border-radius: 16px;
@@ -146,6 +167,64 @@
     font-size: 0.9rem;
 }
 
+.detail-hero {
+    display: flex;
+    align-items: center;
+    justify-content: space-between;
+    gap: 24px;
+    flex-wrap: wrap;
+}
+
+.detail-actions {
+    display: flex;
+    align-items: center;
+    gap: 12px;
+}
+
+.detail-grid {
+    display: grid;
+    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
+    gap: 20px;
+}
+
+.detail-list {
+    display: grid;
+    gap: 12px;
+    margin: 16px 0;
+}
+
+.detail-list div {
+    display: flex;
+    flex-direction: column;
+    gap: 4px;
+    color: #64748b;
+}
+
+.detail-list strong {
+    color: inherit;
+}
+
+.list {
+    list-style: none;
+    padding: 0;
+    margin: 12px 0 0;
+    display: grid;
+    gap: 12px;
+}
+
+.list li {
+    display: flex;
+    justify-content: space-between;
+    gap: 12px;
+    color: #64748b;
+}
+
+.list a {
+    color: #4f46e5;
+    text-decoration: none;
+    font-weight: 600;
+}
+
 @media (max-width: 600px) {
     .app {
         padding: 40px 6vw 56px;
@@ -154,4 +233,74 @@
     .hero {
         align-items: flex-start;
     }
+}
+
+@media (prefers-color-scheme: dark) {
+    .app {
+        background: radial-gradient(circle at top, #1e1b4b, #0b1120 50%);
+        color: #e2e8f0;
+    }
+
+    .subtitle {
+        color: #cbd5f5;
+    }
+
+    .card {
+        background: #0f172a;
+        box-shadow: 0 12px 30px rgba(15, 23, 42, 0.35);
+    }
+
+    .card p {
+        color: #cbd5f5;
+    }
+
+    .pill {
+        background: #312e81;
+        color: #e0e7ff;
+    }
+
+    .meta {
+        color: #94a3b8;
+    }
+
+    .topic {
+        background: #1e293b;
+        color: #cbd5f5;
+    }
+
+    .link {
+        color: #a5b4fc;
+    }
+
+    .ghost {
+        border-color: #4f46e5;
+        color: #e0e7ff;
+    }
+
+    .detail-list div {
+        color: #cbd5f5;
+    }
+
+    .list li {
+        color: #cbd5f5;
+    }
+
+    .list a {
+        color: #a5b4fc;
+    }
+
+    .state {
+        background: #0f172a;
+        color: #cbd5f5;
+        box-shadow: 0 10px 20px rgba(15, 23, 42, 0.4);
+    }
+
+    .state.error {
+        background: #7f1d1d;
+        color: #fee2e2;
+    }
+
+    .footer {
+        color: #94a3b8;
+    }
 }