README.md: create

README.md

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+# Cevitxe Signal Server
+
+See https://github.com/DevResults/cevitxe for information on what this is all about.
+
+### Installing and running locally
+
+```bash
+yarn
+yarn start
+```
+
+You should see confirmation on the command line that it's running.
+
+```
+ 🐟  Listening at http://localhost:8080
+```
+
+You can visit that address with a web browser to confirm that it's active. If it is, you'll see this:
+
+![image](https://user-images.githubusercontent.com/2136620/68671483-b37b9f00-054f-11ea-8043-c5f028e38ef2.png)
+
+### Deploying with Heroku
+
+```bash
+heroku create
+git push heroku master
+```