chore: se adiciona mecanismo para iterar rapidamente en desarrollo

ver CONTRIBUIR.md para detalles

Rakefile

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+require 'yaml'
+
+WOODPECKER_YML='.woodpecker.yml'
+
+desc 'iniciar entorno'
+task :up do
+  compose('up', '--build', '-d')
+end
+
+desc 'poblar entorno'
+task :init => [:up] do
+  pecker = YAML.load_file(WOODPECKER_YML)
+  pecker.dig('pipeline', 'tests', 'commands').grep(/install/).each do |cmd|
+    compose('exec', 'app.dev', cmd)
+  end
+end
+
+desc 'iterar'
+task :tdd do
+  compose('exec', 'app.dev', 'python3 -m unittest')
+end
+
+desc 'detener entorno'
+task :down do
+  compose('down')
+end
+
+def compose(*arg)
+  sh "docker-compose -f docker-compose.dev.yml #{arg.join(' ')}"
+end