init readme

README.md

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+# DeepinWSL
+Deepin on WSL (Windows 10 FCU or later)
+base on [wsldl](https://github.com/yuk7/wsldl)
+
+## 💻Requirements
+* Windows 10 1709 Fall Creators Update 64bit or later.
+* Windows Subsystem for Linux feature is enabled.
+
+## 💾Install
+#### 1. [Download](https://github.com/justforlxz/DeepinFS/releases/latest) installer zip
+
+#### 2. Extract all files in zip file to same directory
+Please extract to a folder that has full access permission.
+For example 'Program Files' can not be used.
+
+#### 3. Run Deepin.exe to Extract rootfs and Register to WSL
+Exe filename is using to the instance name to register.
+If you rename it you can register with a different name and have multiple installs.
+
+## 📝How-to-Use(for Installed Instance)
+#### exe Usage
+```dos
+Usage :
+    <no args>
+      - Open a new shell with your default settings.
+
+    run <command line>
+      - Run the given command line in that distro. Inherit current directory.
+
+    runp <command line (includes windows path)>
+      - Run the path translated command line in that distro.
+
+    config [setting [value]]
+      - `--default-user <user>`: Set the default user for this distro to <user>
+      - `--default-uid <uid>`: Set the default user uid for this distro to <uid>
+      - `--append-path <on|off>`: Switch of Append Windows PATH to $PATH
+      - `--mount-drive <on|off>`: Switch of Mount drives
+      - `--default-term <default|wt|flute>`: Set default terminal window
+
+    get [setting]
+      - `--default-uid`: Get the default user uid in this distro
+      - `--append-path`: Get on/off status of Append Windows PATH to $PATH
+      - `--mount-drive`: Get on/off status of Mount drives
+      - `--wsl-version`: Get WSL Version 1/2 for this distro
+      - `--default-term`: Get Default Terminal for this distro launcher
+      - `--lxguid`: Get WSL GUID key for this distro
+
+    backup [contents]
+      - `--tgz`: Output backup.tar.gz to the current directory using tar command
+      - `--reg`: Output settings registry file to the current directory
+
+    clean
+      - Uninstall the distro.
+
+    help
+      - Print this usage message.
+```
+
+## ⬆️Update
+### 📁zip
+#### 1. [Download](https://github.com/justforlxz/DeepinWSL/releases/latest) installer zip
+#### 2. Extract .exe and rootfs.tar.gz from .zip and overwrites existing ones.
+
+**Thanks to [yuk7](https://github.com/yuk7/)'s contribution, so that we can easily build our own WSL distribution.**