feat: 按 doc_id 重组 ansible/files 与验证框架

- ansible/files 改为与文档 XX-YY 对齐的目录结构，更新相关 playbook 路径
- 新增 scripts/verify.sh 与 ansible/playbooks/verify/*.yml，移除单体 verify-matrix.yml
- 补充 docs/00-02 矩阵状态、00-05 验证框架与流程、00-04 环境与 ylc65 工作机说明
- 增加 k3s 存储准备、Longhorn、local-path 等 playbook 与辅助脚本

Made-with: Cursor

ansible/playbooks/verify/01-06.yml

@@ -0,0 +1,11 @@
+- name: "01-06 k3s baseline verify (kube-system pods)"
+  hosts: k3s_server
+  become: true
+  run_once: true
+  vars:
+    k3s_kubeconfig: /etc/rancher/k3s/k3s.yaml
+  tasks:
+    - name: kube-system pods summary
+      ansible.builtin.shell: KUBECONFIG={{ k3s_kubeconfig }} kubectl get pods -n kube-system -o wide
+      changed_when: false
+