Added Home Config Example (matryer#692)

* Added Home Config Example

* Make Home Config Tutorial executable

Author: kodie

Tutorial/config.sh

@@ -0,0 +1,26 @@
+#!/usr/local/bin/bash
+# shellcheck disable=SC2154
+
+# <bitbar.title>Home Config</bitbar.title>
+# <bitbar.version>v1.0</bitbar.version>
+# <bitbar.author>Kodie Grantham</bitbar.author>
+# <bitbar.author.github>kodie</bitbar.author.github>
+# <bitbar.desc>Example of how to mimic the functionality of the home-config npm module in a bash BitBar plugin</bitbar.desc>
+# <bitbar.dependencies>bash4</bitbar.dependencies>
+# <bitbar.abouturl>https://github.com/kodie/bitbar-home-config</bitbar.abouturl>
+
+typeset -A cfg
+cfg[home_config,color]="red"
+cfg[home_config,text]="Try editing $HOME/.bitbarrc"
+
+cfgFile="$HOME/.bitbarrc"
+if [ ! -e "$cfgFile" ]; then touch "$cfgFile"; fi
+while read -r cfgLine; do
+  if [[ -z $cfgLine ]]; then continue; fi
+  if [[ ${cfgLine:0:1} == '[' ]]; then cfgKey=${cfgLine:1:-1};
+  else IFS='='; cfgVar=($cfgLine); unset IFS; cfg[$cfgKey,${cfgVar[0]}]=${cfgVar[1]}; fi
+done < "$cfgFile"
+
+echo "Config Example | dropdown=false color=${cfg[home_config,color]}"
+echo "---"
+echo "${cfg[home_config,text]}"