feat: Add app cliproxyapi and tailscale-Derp

apps/tailscale-derp/README_en.md

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+# Tailscale Derp
+
+Tailscale DERP relay server with complete configuration, including coexistence of tailscale and derper.
+
+## Features
+
+- Complete tailscale and derper coexistence configuration
+- Supports client verification to prevent abuse
+- Low resource consumption, simple deployment
+- Supports multiple architectures (amd64, arm64, arm/v7)
+
+## Usage
+
+### Default Ports
+
+- TCP: 43443
+- UDP: 43478
+
+### Login Guide
+
+After deployment, you need to get the tailscale login link:
+
+```bash
+# Check tailscale container logs for login link
+docker logs -f <container-name>-tailscale
+```
+
+Find the login link in the logs similar to:
+```
+To authenticate, visit:
+        https://login.tailscale.com/a/xxxxxxx
+```
+
+Copy the link to browser and login to your Tailscale account.
+
+### Firewall Configuration
+
+Ensure the following ports are open in the server firewall:
+- TCP 43443
+- UDP 43478
+
+### Tailscale ACL Configuration
+
+Add the following configuration in the Access controls section of the Tailscale control panel:
+
+```json
+{
+  "derpMap": {
+    "OmitDefaultRegions": false,
+    "Regions": {
+      "912": {
+        "RegionID": 912,
+        "RegionCode": "derper_self",
+        "RegionName": "Derper Self",
+        "Nodes": [
+          {
+            "Name": "derper_self",
+            "RegionID": 912,
+            "DERPPort": 43443,
+            "STUNPort": 43478,
+            "IPv4": "YOUR_SERVER_IP",
+            "InsecureForTests": true
+          }
+        ]
+      }
+    }
+  }
+}
+```
+
+After saving, clients need to reconnect to get the new configuration.
+
+### Verify Deployment
+
+Use the following command to verify the DERP server is working:
+
+```bash
+tailscale netcheck
+```
+
+## Links
+
+- Website: https://tailscale.com
+- GitHub: https://github.com/yangchuansheng/ip_derper
+- Documentation: https://seepine.com/ops/tailscale/derper/