Static blog with front page summary

Goal: have a personal blog, and try out another point in the 'modular
app design with elixir' space.

Designing OTP systems with elixir had some interesting ideas.

app/README.md

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+# Firehose
+
+To start your Phoenix server:
+
+* Run `mix setup` to install and setup dependencies
+* Start Phoenix endpoint with `mix phx.server` or inside IEx with `iex -S mix phx.server`
+
+Now you can visit [`localhost:4000`](http://localhost:4000) from your browser.
+
+Ready to run in production? Please [check our deployment guides](https://hexdocs.pm/phoenix/deployment.html).
+
+## Learn more
+
+* Official website: https://www.phoenixframework.org/
+* Guides: https://hexdocs.pm/phoenix/overview.html
+* Docs: https://hexdocs.pm/phoenix
+* Forum: https://elixirforum.com/c/phoenix-forum
+* Source: https://github.com/phoenixframework/phoenix