feat(cliproxy): rename kimi API preset to km, add kimi to UI

- create config/base-km.settings.json for API-key Kimi users
- rename preset id 'kimi' to 'km' in CLI and UI provider presets
- add 'ccs km' to help text API section, keep 'ccs kimi' for OAuth
- add --km delegation flag for API-key mode, --kimi stays for OAuth
- add kimi to UI CLIPROXY_PROVIDERS, assets, colors, names, device code

config/base-km.settings.json

@@ -0,0 +1,10 @@
+{
+  "env": {
+    "ANTHROPIC_BASE_URL": "https://api.kimi.com/coding/",
+    "ANTHROPIC_AUTH_TOKEN": "YOUR_KIMI_API_KEY_HERE",
+    "ANTHROPIC_MODEL": "kimi-k2-thinking-turbo",
+    "ANTHROPIC_DEFAULT_OPUS_MODEL": "kimi-k2-thinking-turbo",
+    "ANTHROPIC_DEFAULT_SONNET_MODEL": "kimi-k2-thinking-turbo",
+    "ANTHROPIC_DEFAULT_HAIKU_MODEL": "kimi-k2-thinking-turbo"
+  }
+}