Added Spotify source support (#2)

[rbdr/lyricli] / README.md

diff --git a/README.md b/README.md
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-#Lyricli (lrc)
+# Lyricli (lrc)

 
 

-A command line tool to show the lyrics of your current song
+A command line tool to show the lyrics of your current song.
+
+## Usage
+
+Lyricli can be invoked with the command `lrc`. It can be invoked without
+arguments, with an artist and song or with a special command:
+
+```
+$ lrc [-t]
+```
+
+When you run it without arguments, it will look in the available source
+to try to find a playing song and extract the lyrics. If you include the
+`-t` flag, it will show the song and artist names before the lyrics.
+
+```
+$ lrc [-t] <artist_name> <song_name>
+```
+
+When you run it with arguments, it will use them to search for the
+lyrics. This won't work if you manually disable the arguments source in
+your configuration file. If you include the `-t` flag, it will show the
+song and artist names before the lyrics.
+
+### Commands
+
+In order to configure
+
+* `lrc -l` or `lrc --list-sources` lists the available sources. Enabled
+  sourcess will have a `*`
+* `lrc -e` or `lrc --enable <source>` enables a source
+* `lrc -d` or `lrc --disable <source>` disables a source
+* `lrc -r` or `lrc --reset-source <source>` resets the configuration for
+  a source and disables it.
+* `lrc -v` or `lrc --version` prints the version
+* `lrc -h` or `lrc --help` display built-in help
+
+## Building
+
+The build has only been tested on OSX using Swift 3.1. Building defaults
+to the debug configuration.
+
+```
+make
+```
+
+## Installing from source
+
+Builds lyricli in release configuration and copies the executable as
+`lrc` to `/usr/local/bin`
+
+```
+make install
+```
+
+### Installing to a custom directory
+
+This can be done by overriding the `install_path` variable
+
+```
+make install install_path=/opt/bin
+```
+
+## Linting and Generating Documentation
+
+We use [swiftlint][swiftlint] to lint, and `make lint` to run it.
+We use [jazzy][jazzy] and [SourceKitten][sourcekitten] to document, and
+`make document` to generate it.
+
+## Running tests
+
+No tests at the moment 😬... but the makefile is mapped to run the swift
+tests.
+
+```
+make test
+```
+
+[![Build Status](https://travis-ci.org/lyricli-app/lyricli.svg?branch=master)](https://travis-ci.org/lyricli-app/lyricli)
+
+[swiftlint]: https://github.com/realm/SwiftLint
+[jazzy]: https://github.com/realm/jazzy
+[sourcekitten]: https://github.com/jpsim/SourceKitten