fix some code style and add checks to ci

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

config/config.exs

@@ -34,4 +34,4 @@ config :guardian, Guardian.DB,
        repo: Eventos.Repo,
        schema_name: "guardian_tokens", # default
        token_types: ["refresh_token"], # store all token types if not set
-       sweep_interval: 60 # default: 60 minutes
+       sweep_interval: 60 # default: 60 minutes

config/dogma.exs

@@ -0,0 +1,17 @@
+use Mix.Config
+alias Dogma.Rule
+
+config :dogma,
+
+       # Select a set of rules as a base
+       rule_set: Dogma.RuleSet.All,
+
+       # Pick paths not to lint
+       exclude: [
+         ~r(\Alib/vendor/),
+       ],
+
+       # Override an existing rule configuration
+       override: [
+         %Rule.LineLength{ enabled: false },
+       ]