Add readme and colors.

README.md

@@ -0,0 +1,29 @@
+# Why?
+
+Sometimes I run long scripts on a remote machine and I want to know when they finish. It's
+not urgent enough that I need a text or toot, but being able to pull up a simple page that
+shows what is done and not done makes it easy to check periodically.
+
+# How?
+
+This tiny Flask API runs on a server (Raspberry Pi, etc.). It has very basic authentication
+and waits for a curl (or similar) GET request with some small amount of data. The data are
+displayed on a simple web page.
+
+The reason for a simple GET request is to make this as code-agnostic as possible. Drop a 
+curl command into R or Python or Go or Ruby or whatever (I assume) and be able to watch 
+whatever data you pass.
+
+You can either run with the internal Flask development server or something like gunicorn.
+
+# Other Use Cases?
+
+I'm sure there are some.
+
+# Security?
+
+I'm sure this isn't very secure. It has basic data cleaning, string length limits, and
+username/password protection. There is no database--all data are kept in memory and will 
+disappear when the server is stopped. Use at your own risk, don't reuse passwords, and 
+obviously don't pass data that can't be shared openly online. The last part includes things
+like "front_door_unlocked"--use common sense.