Add readme

Author: CrSjimo

README.md

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-# DiffScope Project
+# DiffScope
+
+A free, professional singing-voice-synthesis editor powered by [DiffSinger](https://github.com/openvpi/DiffSinger)
+
+> [!NOTE]
+> This project is currently under development. Anything related to the project is subject to change.
+
+## Looking for Contributors
+
+This project is currently under active development, and we are looking for contributors to help develop it.
+
+Preferred Skills:
+- C++ (front-end core logic)
+- Qt QML (front-end GUI)
+- Golang (backend)
+
+Additionally, familiarity with singing voice synthesis (SVS), digital audio processing, or related fields is highly appreciated.
+
+If you are interested in contributing or collaborating, please feel free to reach out via Issues.
+
+## Progress
+
+- [x] Application GUI shell
+- [x] Arrangement and piano roll editors
+- [x] Basic audio processing functionalities
+- [ ] Phoneme and parameter editors
+- [ ] Audio playback
+- [ ] Integration of synthesis engine
+
+## Build
+
+1. Install essential tools for C/C++ development and Qt.
+2. Clone this repository recursively.
+
+  ```bash
+  git clone --recursive https://github.com/diffscope/diffscope-project.git
+  ```
+   
+3. Install dependencies via Vcpkg.
+
+  ```bash
+  vcpkg install --x-manifest-root=/path/to/diffscope-project/scripts/vcpkg-manifest --x-install-root=/path/to/vcpkg/installed
+  ```
+   
+4. Build using CMake.
+
+You may refer to CI scripts for more details.
+
+## License
+
+DiffScope is licensed under the Apache License, Version 2.0.
+
+This license does not apply to plugins and other third-party dependencies.
+
+Please refer to the plugin directories to view the licenses applicable to each individual plugin.