Add README

.dockerignore

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 .git/
+.env

README.md

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+# cc-bandwidth
+
+Ruby script to grab your current Comcast bandwidth usage.
+
+## Pre-requisites
+
+* Docker
+* Comcast
+
+## Usage
+
+### Pre-built
+
+```
+docker run \
+  --env COMCAST_USERNAME=username \
+  --env COMCAST_PASSWORD=password \
+  atomaka/ccbw
+```
+
+### From Source
+
+* Clone repository
+* `cp .env.sample .env`
+  * Add username and password
+* `bin/setup`
+* `bin/check`
+
+## Notes
+
+If login fails, login into your account manually via the web one time and
+confirm any messages, then retry.

bin/check

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+#!/bin/bash
+
+docker run --env-file .env ccbw

bin/setup

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+#!/bin/bash
+
+docker build --tag ccbw .