Add SSH and GPG keys information

- Generated Ed25519 SSH key for secure authentication
- Generated Ed25519/Curve25519 GPG key for commit signing
- Configured Git to use GPG signing for all commits
- User: Houzhong Xu <houzhongxu@seekkey.tech>

keys-info.md

@@ -0,0 +1,45 @@
+# 密钥信息
+
+## SSH 公钥 (Ed25519)
+```
+ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIMSUUfma8FKEFvH8Nq65XM2PZ9kitfgv1q727cKV9y5Z houzhongxu@seekkey.tech
+```
+
+## GPG 公钥 (Ed25519/Curve25519)
+```
+-----BEGIN PGP PUBLIC KEY BLOCK-----
+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+=7qIa
+-----END PGP PUBLIC KEY BLOCK-----
+```
+
+## 密钥信息
+- **用户名**: Houzhong Xu
+- **邮箱**: houzhongxu@seekkey.tech
+- **GPG Key ID**: 32A7347DF4D6A7FA77E31E3BB44BEB1438F1B46F
+- **SSH 指纹**: SHA256:/IbwMngZcfNrlMqeFbyeAH8KTrhc43+E1Z22IEqIKss
+
+## 在 Gitea 中添加密钥
+
+### SSH 密钥
+1. 登录 Gitea: https://gitea.tailnet-68f9.ts.net/
+2. Settings → SSH / GPG Keys → Add Key
+3. 粘贴上面的 SSH 公钥
+
+### GPG 密钥
+1. 在同一页面点击 "Add GPG Key"
+2. 粘贴上面的 GPG 公钥
+
+## Git 配置
+- 已配置 Git 使用 GPG 签名提交
+- 用户名: Houzhong Xu
+- 邮箱: houzhongxu@seekkey.tech