Updated to latest spotifyd config file changes.

Was hitting issue: Spotifyd/spotifyd#786 (real issue:
Spotifyd/spotifyd#765), but updating to the latest
configuration file
changes (https://spotifyd.github.io/spotifyd/config/File.html) fixed my
`spotifyd` service from running.

bash/.config/spotifyd/spotifyd.conf

@@ -1,17 +1,17 @@
 [global]
 # Your Spotify account name.
-username = yebgbl8yxona2fx1dwwkncw52
+username = "yebgbl8yxona2fx1dwwkncw52"
 
 # Your Spotify account password.
-# password = <password>
+# password = "<password>"
 
 # A command that gets executed and can be used to
 # retrieve your password.
 # The command should return the password on stdout.
 #
 # This is an alternative to the `password` field. Both
 # can't be used simultaneously.
-# password_cmd = command_that_writes_password_to_stdout
+# password_cmd = "command_that_writes_password_to_stdout"
 
 # If set to true, `spotifyd` tries to look up your
 # password in the system's password storage.
@@ -22,19 +22,19 @@ use_keyring = true
 
 # The audio backend used to play the your music. To get
 # a list of possible backends, run `spotifyd --help`.
-# backend = alsa
-backend = pulseaudio
+# backend = "alsa"
+backend = "pulseaudio"
 
 # The alsa audio device to stream audio to. To get a
 # list of valid devices, run `aplay -L`,
-# device = alsa_audio_device  # omit for macOS
+# device = "alsa_audio_device"  # omit for macOS
 
 # The alsa control device. By default this is the same
 # name as the `device` field.
-# control = alsa_audio_device  # omit for macOS
+# control = "alsa_audio_device"  # omit for macOS
 
 # The alsa mixer used by `spotifyd`.
-# mixer = PCM
+# mixer = "PCM"
 
 # The volume controller. Each one behaves different to
 # volume increases. For possible values, run
@@ -45,12 +45,12 @@ backend = pulseaudio
 # A command that gets executed in your shell after each song changes.
 # on_song_change_hook = command_to_run_on_playback_events
 # https://github.com/Spotifyd/spotifyd/wiki/User-supplied-scripts
-on_song_change_hook = ~/.config/spotifyd/notifications.sh
+on_song_change_hook = "~/.config/spotifyd/notifications.sh"
 
 # The name that gets displayed under the connect tab on
 # official clients. Spaces are not allowed!
 # device_name = device_name_in_spotify_connect
-device_name = dev_pc_daemon
+device_name = "dev_pc_daemon"
 
 # The audio bitrate. 96, 160 or 320 kbit/s
 bitrate = 320
@@ -61,12 +61,16 @@ bitrate = 320
 #
 # Note: The file path does not get expanded. Environment variables and
 # shell placeholders like $HOME or ~ don't work!
-# cache_path = cache_directory
+# cache_path = "cache_directory"
 
 # If set to true, audio data does NOT get cached.
 # no_audio_cache = true
 # no_audio_cache = false
 
+# Volume on startup between 0 and 100
+# NOTE: This variable's type will change in v0.4, to a number (instead of string)
+# initial_volume = "90"
+
 # If set to true, enables volume normalisation between songs.
 # volume_normalisation = true
 
@@ -77,10 +81,10 @@ bitrate = 320
 # zeroconf_port = 1234
 
 # The proxy `spotifyd` will use to connect to spotify.
-# proxy = http://proxy.example.org:8080
+# proxy = "http://proxy.example.org:8080"
 
 # The displayed device type in Spotify clients.
 # Can be unknown, computer, tablet, smartphone, speaker, tv,
 # avr (Audio/Video Receiver), stb (Set-Top Box), and audiodongle.
-# device_type = speaker
-device_type = computer
+# device_type = "speaker"
+device_type = "computer"