Update dotfiles

.dotfiles/environment

@@ -3,9 +3,11 @@ export EDITOR='vim'
 export VISUAL='code'
 
 # AWS
-export AWS_PROFILE=$(cat ~/.aws/profile)
-export AWS_DEFAULT_REGION=eu-west-1
-export AWS_REGION=eu-west-1
+if [ -f ~/.aws/profile ]; then
+  export AWS_PROFILE=$(cat ~/.aws/profile)
+  export AWS_DEFAULT_REGION=eu-west-1
+  export AWS_REGION=eu-west-1
+fi
 
 # Node
 export NODE_ENV=localhost