[Update] prebuild theme assets

Author: mistricky

core/assets/themes/bamboo_theme.json

@@ -0,0 +1,48 @@
+{
+  "theme": "candy",
+  "window": {
+    "mac_window_bar": true,
+    "shadow": 20,
+    "margin": {
+      "x": 82,
+      "y": 82
+    },
+    "border": {
+      "width": 1,
+      "color": "#ffffff30"
+    }
+  },
+  "code_config": {
+    "font_family": "CaskaydiaCove Nerd Font",
+    "breadcrumbs": {
+      "separator": "/",
+      "color": "#80848b",
+      "font_family": "CaskaydiaCove Nerd Font"
+    }
+  },
+  "watermark": {
+    "content": "CodeSnap",
+    "font_family": "Pacifico",
+    "color": "#ffffff"
+  },
+  "background": {
+    "start": {
+      "x": 0,
+      "y": 0
+    },
+    "end": {
+      "x": "max",
+      "y": 0
+    },
+    "stops": [
+      {
+        "position": 0,
+        "color": "#6bcba5"
+      },
+      {
+        "position": 1,
+        "color": "#caf4c2"
+      }
+    ]
+  }
+}