adds phoenix boilerplate and database api

- message communication added
- database migration added
- initial commit

priv/repo/migrations/.formatter.exs

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+[
+  import_deps: [:ecto_sql],
+  inputs: ["*.exs"]
+]

priv/repo/migrations/20211204223854_add_messages.exs

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+defmodule Bump.Repo.Migrations.AddMessages do
+  use Ecto.Migration
+
+  def change do
+    create table :messages do
+
+      add :sender, :string, size: 255, null: false
+      add :data, :string, size: 2048 
+      add :timestamp, :utc_datetime, null: false
+
+      timestamps([type: :utc_datetime])
+    end
+  end
+end

priv/repo/seeds.exs

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+# Script for populating the database. You can run it as:
+#
+#     mix run priv/repo/seeds.exs
+#
+# Inside the script, you can read and write to any of your
+# repositories directly:
+#
+#     Bump.Repo.insert!(%Bump.SomeSchema{})
+#
+# We recommend using the bang functions (`insert!`, `update!`
+# and so on) as they will fail if something goes wrong.