chore(OH-My-zsh): install zsh

.gitignore

@@ -1,8 +1,43 @@
-# custom files
-custom/
-!custom/plugins/example
-!custom/example.zsh
-
-# temp files directories
-cache/
-log/
+.DS_Store
+vim/bundle/*
+vim/sessions/*
+vim/.netrwhist
+vim/vundle_plugins/custom
+vim/.backup/*
+vim/.tmp/*
+vim/.temp/*
+vim/.backup/*
+vim/.undo/*
+bash/ssh.sh
+bin/php*
+config/configstore/update-notifier-nodemon.json
+vim/.spell/custom.en.utf-8.add.spl
+emacs/*.elc
+emacs/\#*
+emacs/bookmarks
+emacs/backup
+emacs/backup.*
+emacs/org-clock-save.el
+emacs/ac-comphist.dat
+emacs/tramp
+emacs/elpa
+emacs/var
+emacs/eshell
+emacs/ido.last
+emacs/recentf
+emacs/.cask
+emacs/emms
+emacs/url
+emacs/auto-save-list
+emacs/projectile-bookmarks.eld
+emacs/projectile.cache
+emacs/saveplace
+emacs/projectile.cache
+emacs/projectile-bookmarks.eld
+emacs/ac-comphist.dat
+emacs/auto-save-list
+emacs/games
+config/configstore/snyk.json
+config/git/gitk
+config/vifm/vifminfo
+vim/vim

themes/ultra.zsh-theme

@@ -0,0 +1,19 @@
+function prompt_char {
+    git branch >/dev/null 2>/dev/null && echo '±' && return
+    echo '○'
+}
+
+function virtualenv_info {
+    [ $VIRTUAL_ENV ] && echo '('`basename $VIRTUAL_ENV`') '
+}
+
+PROMPT='✿ [%{$fg[blue]%}%m%{$reset_color%}]-[%{$fg_bold[blue]%}${PWD/#$HOME/~} %{$reset_color%}] $(prompt_char) $(git_prompt_info) %{$reset_color%}%{$fg[green]%}➜ %{$reset_color%} '
+
+ZSH_THEME_GIT_PROMPT_PREFIX="|%{$fg[green]%}"
+
+ZSH_THEME_GIT_PROMPT_SUFFIX="|%{$reset_color%}"
+
+ZSH_THEME_GIT_PROMPT_DIRTY="%{$fg[yellow]%}[✹]%{$reset_color%}"
+
+ZSH_THEME_GIT_PROMPT_UNTRACKED="%{$fg[green]%}?"
+ZSH_THEME_GIT_PROMPT_CLEAN="%{$fg[green]%}(⦿)"