feat: add AI-powered 1Panel app builder skill

- Add skill configuration for generating 1Panel app configs via AI
- Include templates for data.yml and docker-compose.yml
- Add utility scripts for app generation, icon download, and validation
- Provide reference examples and usage documentation
- Update .gitignore to exclude .trae directory
- Update README.md with skill usage instructions

skills/templates/data.yml.tpl

@@ -0,0 +1,33 @@
+name: ${APP_NAME}
+tags:
+    - ${TAG_1}
+    - ${TAG_2}
+title: ${TITLE_ZH}
+description: ${DESC_ZH}
+additionalProperties:
+    key: ${APP_KEY}
+    name: ${APP_NAME}
+    tags:
+        - ${TAG_EN_1}
+        - ${TAG_EN_2}
+    shortDescZh: ${SHORT_DESC_ZH}
+    shortDescEn: ${SHORT_DESC_EN}
+    description:
+        en: ${DESC_EN}
+        ja: ${DESC_JA:-Supporting multi-storage file listing program and private cloud storage}
+        ms: ${DESC_MS:-Supporting multi-storage file listing program and private cloud storage}
+        pt-br: ${DESC_PT_BR:-Supporting multi-storage file listing program and private cloud storage}
+        ru: ${DESC_RU:-Supporting multi-storage file listing program and private cloud storage}
+        ko: ${DESC_KO:-Supporting multi-storage file listing program and private cloud storage}
+        zh-Hant: ${DESC_ZH_HANT:-支援多存儲檔案列出程序和私人雲端空間}
+        zh: ${DESC_ZH}
+    type: ${APP_TYPE}
+    crossVersionUpdate: ${CROSS_VERSION_UPDATE:-true}
+    limit: ${LIMIT:-0}
+    recommend: ${RECOMMEND:-50}
+    website: ${WEBSITE}
+    github: ${GITHUB}
+    document: ${DOCUMENT:-}
+    architectures:
+      - amd64
+      - arm64