Initial commit: model-selector-plus DSH plugin with docs

package.json

@@ -0,0 +1,19 @@
+{
+  "name": "@local/model-selector-plus",
+  "version": "1.0.0",
+  "private": true,
+  "type": "module",
+  "exports": { ".": "./index.js", "./client": "./client.js" },
+  "dsh": {
+    "bundle": { "patch": "./cordis.patch.yml" },
+    "client": {
+      "platform": "web",
+      "immediately": true,
+      "inject": [
+        "@deepseek-ai/dsh-client-ui-conversation",
+        "@deepseek-ai/dsh-client-ui-model-selection",
+        "@deepseek-ai/dsh-client-locale"
+      ]
+    }
+  }
+}