Added README.md

README.md

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+# :musical_note: lyrics-dl
+
+An ultimate CLI tool for downloading lyrics for songs, inspired by other awesome *-dl projects.
+
+## Installation
+
+Before you begin, make sure you have `python3` and `pip` installed.
+
+0. If you wish to use the `youtube` provider, install `ffmpeg` and add it to your `PATH`.
+1. Clone the repository:
+   ```bash
+   git clone https://github.com/mrsobakin/lyrics-dl.git
+   ```
+2. Navigate to the project directory:
+   ```bash
+   cd lyrics-dl
+   ```
+3. Install the package:
+   ```bash
+   pip install .
+   ```
+
+## Usage
+
+You can use `lyrics-dl` both as a CLI tool and as a Python module.
+
+### CLI Usage
+
+```bash
+python3 -m lyrics_dl [-h] [-c CONFIG] [-e EXTENSIONS] [-f] path
+```
+
+#### Positional Arguments:
+
+- `path`: Path to the song file or directory
+
+#### Options:
+
+- `-h, --help`: Display help message and exit.
+- `-c CONFIG, --config CONFIG`: Specify a custom config file (in TOML format) for `lyrics-dl`.
+- `-e EXTENSIONS, --extensions EXTENSIONS`: Define music file extensions, separated by commas (e.g., wav,flac,mp3).
+- `-f, --force-override`: Force override .lrc file, if it already exists.
+
+### Usage as a Python Module
+
+You can also use `lyrics-dl` as a Python module, allowing you to integrate its functionality directly into your own scripts or applications.
+
+#### Initializing `LyricsDl`
+
+```python
+from lyrics_dl import LyricsDl, LyricsDlConfig
+
+# Create a LyricsDl instance with default configuration
+ldl = LyricsDl()
+
+# Create a LyricsDl instance with a custom configuration
+config = LyricsDlConfig(order=["kugou"])
+ldl = LyricsDl(config=config)
+```
+
+#### Fetching Lyrics for a Song
+
+```python
+from lyrics_dl import Song
+
+# Create a Song object
+song = Song(title="Where'd All The Time Go?", artist="Dr. Dog")
+
+# Fetch lyrics for the song
+lyrics = ldl.fetch_lyrics(song)
+
+if lyrics:
+    print(lyrics)
+else:
+    print("Lyrics not found")
+```
+
+#### Processing a File
+
+```python
+from pathlib import Path
+
+# Define the path to the song file
+file_path = Path("/path/to/song.mp3")
+
+# Process the file
+ldl.process_file(file_path)
+```
+
+#### Processing a Directory
+
+```python
+from pathlib import Path
+
+# Define the path to the directory
+dir_path = Path("/path/to/songs/directory")
+
+# Define the extensions of music files
+extensions = ["mp3", "wav"]
+
+# Process the directory
+ldl.process_directory(dir_path, extensions)
+```
+
+For more detailed information on the usage of the `LyricsDl` class, `Song` class, and `LyricsDlConfig` class, you can explore the source code. The code is written with Python typing, making it easy to understand.
+
+## Configuration
+
+The configuration file is in TOML format and can be specified using the `-c` flag when running `lyrics-dl`. To create a custom configuration, follow these steps:
+
+1. Create the configuration file (`config.toml`).
+2. Define the global provider parameters (for example, order) under `[providers]` section.
+3. To change provider-specific configuration, add a `[providers.provider_name]` section and set the required parameters under it.
+
+As an example, to enable the `musixmatch` provider, you'll need to [acquire a Musixmatch token](https://web.archive.org/web/20230831151006/https://spicetify.app/docs/faq/#sometimes-popup-lyrics-andor-lyrics-plus-seem-to-not-work) and create a config like this:
+
+```toml
+[providers]
+order = ["musixmatch", "kugou"]
+
+[providers.musixmatch]
+token = "YOUR_TOKEN"
+```