Added support for AWS profile to pure prompt

.gitignore

@@ -1,2 +1,4 @@
 zsh.d/99-local.zsh
 zsh.d/Darwin/99-local.zsh
+*~
+*.swp

zsh.d/prompts/pure/pure.zsh

@@ -213,6 +213,11 @@ prompt_pure_precmd() {
 		export VIRTUAL_ENV_DISABLE_PROMPT=12
 	fi
 
+    psvar[13]=
+    if [[ -n $AWS_PROFILE ]]; then
+        psvar[13]="|${AWS_PROFILE}|"
+    fi
+
 	# Make sure VIM prompt is reset.
 	prompt_pure_reset_prompt_symbol
 
@@ -733,6 +738,7 @@ prompt_pure_setup() {
 		user                 242
 		user:root            default
 		virtualenv           242
+        aws                  blue
 	)
 	prompt_pure_colors=("${(@kv)prompt_pure_colors_default}")
 
@@ -751,6 +757,7 @@ prompt_pure_setup() {
 
 	# If a virtualenv is activated, display it in grey.
 	PROMPT='%(12V.%F{$prompt_pure_colors[virtualenv]}%12v%f .)'
+    PROMPT+='%(13V.%F{$prompt_pure_colors[aws]}%13v%f .)'
 
 	# Prompt turns red if the previous command didn't exit with 0.
 	local prompt_indicator='%(?.%F{$prompt_pure_colors[prompt:success]}.%F{$prompt_pure_colors[prompt:error]})${prompt_pure_state[prompt]}%f '