Adding readme

README.org

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+* Setup
+** Dependencies
+- terraform
+- docker
+- bash
+
+** Configuration
+*** apps.config
+
+- ~cp config/apps.config.tmpl config/apps.config~
+
+- then edit ~config/apps.config~ and fill in all variables
+
+*** production.tfvars
+
+- ~cp config/production.tfvars.tmpl config/production.tfvars~
+
+- then edit ~config/production.tfvars~ and fill in all variables
+
+*** ssh keys
+
+- ~touch config/ssh-keys~
+
+- if you want to add your ssh key(s) for debugging then paste the pub ID in to the file
+
+*** initializing the "off-site" Restic backups
+
+- ~make restic-init~
+
+* Deploy
+
+- ~make apply~
+
+* You're done!
+
+It will take a few minutes to deploy the server, start it, and pull
+all the docker images. But after that you should be able to visit your
+site and the apps running on its subdomains!