- added redline features to powerline

- added screenshot
- updated readme

themes/redline/README.md

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+# Redline Theme
+
+changed up the powerline base a little.
+
+It plays nicest with  this font: [DroidSansMonoForPowerline](https://github.com/ryanoasis/nerd-fonts/tree/master/patched-fonts/DroidSansMono)
+
+Read the [powerline theme documentation](https://github.com/Bash-it/bash-it/blob/master/themes/powerline/README.md)
+
+
+## added
+* hostname
+* distro logo
+
+## changed
+* sudo credential check
+* required font
+* some icons
+
+Works real good like with:
+```bash
+## set the theme
+export BASH_IT_THEME='redline'
+
+# Set this to false to turn off version control status checking within the prompt for all themes
+export SCM_CHECK=true
+
+## Set Xterm/screen/Tmux title with only a short hostname.
+export SHORT_HOSTNAME=$(hostname -s)
+
+## enable sudo prompt
+export POWERLINE_PROMPT_USER_INFO_MODE="sudo"
+
+## prompt part string
+export POWERLINE_PROMPT="python_venv user_info hostname cwd scm"
+
+```
+
+## enable your distro logo with
+```bash
+export POWERLINE_PROMPT_DISTRO_LOGO="yes"
+```
+
+![screenshot](screenshot.png?raw=true)

themes/redline/redline.theme.bash

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+#!/usr/bin/env bash
+
+. "$BASH_IT/themes/powerline/powerline.base.bash"
+
+PROMPT_DISTRO_LOGO=" "
+PROMPT_DISTRO_LOGO_COLOR=15
+PROMPT_DISTRO_LOGO_COLORBG=52
+
+PROMPT_CHAR=${POWERLINE_PROMPT_CHAR:=""}
+POWERLINE_LEFT_SEPARATOR=${POWERLINE_LEFT_SEPARATOR:=""}
+
+USER_INFO_SSH_CHAR=${POWERLINE_USER_INFO_SSH_CHAR:=" "}
+USER_INFO_SUDO_CHAR=${POWERLINE_USER_INFO_SUDO_CHAR:=" "}
+USER_INFO_THEME_PROMPT_COLOR=52
+USER_INFO_THEME_PROMPT_COLOR_SUDO=52
+
+PYTHON_VENV_CHAR=${POWERLINE_PYTHON_VENV_CHAR:=" "}
+CONDA_PYTHON_VENV_CHAR=${POWERLINE_CONDA_PYTHON_VENV_CHAR:="❲c❳ "}
+PYTHON_VENV_THEME_PROMPT_COLOR=23
+
+SCM_NONE_CHAR=""
+SCM_GIT_CHAR=${POWERLINE_SCM_GIT_CHAR:=" "}
+SCM_THEME_PROMPT_CLEAN=""
+SCM_THEME_PROMPT_DIRTY=""
+SCM_THEME_PROMPT_CLEAN_COLOR=235
+SCM_THEME_PROMPT_DIRTY_COLOR=235 #124
+SCM_THEME_PROMPT_STAGED_COLOR=235 #52
+SCM_THEME_PROMPT_UNSTAGED_COLOR=88
+SCM_THEME_PROMPT_COLOR=${SCM_THEME_PROMPT_CLEAN_COLOR}
+
+RVM_THEME_PROMPT_PREFIX=""
+RVM_THEME_PROMPT_SUFFIX=""
+RBENV_THEME_PROMPT_PREFIX=""
+RBENV_THEME_PROMPT_SUFFIX=""
+RUBY_THEME_PROMPT_COLOR=161
+RUBY_CHAR=${POWERLINE_RUBY_CHAR:=" "}
+
+CWD_THEME_PROMPT_COLOR=238
+HOST_THEME_PROMPT_COLOR=88
+
+LAST_STATUS_THEME_PROMPT_COLOR=52
+
+CLOCK_THEME_PROMPT_COLOR=240
+
+BATTERY_AC_CHAR=${BATTERY_AC_CHAR:="⚡"}
+BATTERY_STATUS_THEME_PROMPT_GOOD_COLOR=70
+BATTERY_STATUS_THEME_PROMPT_LOW_COLOR=208
+BATTERY_STATUS_THEME_PROMPT_CRITICAL_COLOR=160
+
+THEME_CLOCK_FORMAT=${THEME_CLOCK_FORMAT:="%H:%M:%S"}
+
+IN_VIM_THEME_PROMPT_COLOR=245
+IN_VIM_THEME_PROMPT_TEXT="vim"
+
+POWERLINE_PROMPT=${POWERLINE_PROMPT:="python_venv ruby user_info hostname cwd scm"}
+
+safe_append_prompt_command __powerline_prompt_command