Update zsh, bspwm, nvim, vscode, tmux. Add fish

config/fish/config.fish

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+set -U fish_user_paths $HOME/bin $HOME/.yarn/bin $HOME/.applications $fish_user_paths
+set fish_greeting
+
+## Variables
+set EDITOR "nvim"
+set VISUAL "nvim"
+
+
+## Key bindings
+function fish_user_key_bindings
+  fish_default_key_bindings
+  # fish_vi_key_bindings
+end
+
+
+## Colors
+set fish_color_normal brwhite
+set fish_color_autosuggestion '#DDDDDD'
+set fish_color_command brcyan
+set fish_color_error '#ff6c6b'
+set fish_color_param brwhite
+
+
+## Functions
+function backup --argument filename
+  cp $filename $filename.bak
+end
+
+function targz-this-folder --argument filename
+  tar -czf $filename.tar.gz .
+end
+
+function zip-this-folder --argument filename
+  zip -r $filename.zip .
+end
+
+function set-wallpaper --argument filename
+  feh --bg-scale $filename
+end
+
+function set-random-wallpaper
+  feh --randomize --bg-scale ~/Pictures/wallp
+end
+
+
+## Plugins
+fundle plugin 'matchai/spacefish'      # Prompt theme
+fundle plugin 'justinmayer/virtualfish' # Python venv support
+fundle plugin 'FabioAntunes/fish-nvm'  # NVM status
+fundle plugin 'edc/bass'               # Required for fish-nvm
+fundle plugin 'jorgebucaran/autopair.fish' # Brackets closer
+fundle init
+
+
+## Aliases
+alias cls="clear"
+alias mkdir="mkdir -p"
+alias cp="cp -r"
+alias du="du -sh"
+alias df="df -h"
+alias neovim='nvim'
+alias vim="nvim"
+alias vi="vim"
+alias tmux="tmux -2"
+alias :q="exit"
+alias q="exit"
+alias ..="cd .."
+alias ...="cd ../.."