Add Linux/Termux support

Linux/README.md

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+# MHR-CFW Go - Linux / Termux
+
+Scripts to build and run MHR-CFW on Linux and Termux (Android).
+
+## Requirements
+
+### Linux
+- Go 1.22+
+- Git
+
+### Termux
+```bash
+pkg install golang git
+```
+
+## Quick Start
+
+### 1. Clone the project (or copy Linux folder)
+```bash
+git clone https://github.com/ThisIsDara/mhr-cfw-go.git
+cd mhr-cfw-go/Linux
+```
+
+### 2. Build
+```bash
+chmod +x build.sh
+./build.sh
+```
+
+### 3. Run
+```bash
+chmod +x run.sh
+./run.sh
+```
+
+Or run directly:
+```bash
+./mhr-cfw-go
+```
+
+## Scripts
+
+| Script | Description |
+| --- | --- |
+| `build.sh` | Build the Go binary |
+| `run.sh` | Run the proxy |
+| `termux-setup.sh` | Install dependencies and build for Termux |
+
+## Usage
+
+```bash
+# Run with menu
+./mhr-cfw-go
+
+# Run without menu
+./mhr-cfw-go --no-menu
+
+# Install CA certificate
+./mhr-cfw-go --install-cert
+
+# Show version
+./mhr-cfw-go --version
+```
+
+## Default Ports
+- HTTP Proxy: `127.0.0.1:8080`
+- SOCKS5 Proxy: `127.0.0.1:1080`
+
+## Termux Notes
+
+1. Install Termux from F-Droid or Play Store
+2. Run `termux-setup.sh` to install dependencies
+3. The proxy will work the same as on desktop
+
+## Stopping
+
+Press `Ctrl+C` to stop the proxy.

Linux/build.sh

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+#!/bin/bash
+
+echo "========================================"
+echo "  MHR-CFW Go - Build Script"
+echo "========================================"
+echo ""
+
+if [ ! -f "go.mod" ]; then
+    echo "Error: go.mod not found"
+    exit 1
+fi
+
+echo "Building mhr-cfw-go..."
+go build -ldflags "-s -w" -o mhr-cfw-go ./cmd/mhr-cfw
+
+if [ $? -ne 0 ]; then
+    echo ""
+    echo "Build FAILED!"
+    exit 1
+fi
+
+echo ""
+echo "Build successful: mhr-cfw-go"
+echo "========================================"

Linux/run.sh

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+#!/bin/bash
+
+echo "========================================"
+echo "  MHR-CFW Go"
+echo "========================================"
+echo ""
+
+if [ ! -f "mhr-cfw-go" ]; then
+    echo "Error: mhr-cfw-go not found"
+    echo "Run build.sh first to build the executable"
+    exit 1
+fi
+
+echo "Starting proxy server..."
+echo ""
+echo "Default: http://127.0.0.1:8080"
+echo "Default SOCKS5: 127.0.0.1:1080"
+echo ""
+echo "Press Ctrl+C to stop"
+echo "========================================"
+echo ""
+
+./mhr-cfw-go "$@"

Linux/termux-setup.sh

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+#!/bin/bash
+
+# Termux setup script for MHR-CFW Go
+
+echo "========================================"
+echo "  MHR-CFW Go - Termux Setup"
+echo "========================================"
+echo ""
+
+# Check if running in Termux
+if [ ! -d "$PREFIX" ]; then
+    echo "Error: This script must be run in Termux"
+    exit 1
+fi
+
+echo "Installing dependencies..."
+pkg update -y
+pkg install -y golang git
+
+echo ""
+echo "Building mhr-cfw-go..."
+go build -ldflags "-s -w" -o mhr-cfw-go ./cmd/mhr-cfw
+
+if [ $? -ne 0 ]; then
+    echo ""
+    echo "Build FAILED!"
+    exit 1
+fi
+
+echo ""
+echo "Build successful!"
+echo ""
+echo "Run: ./run.sh"
+echo "========================================"