Add flows module with create-new-repo and retrofit-workflows endpoints

Co-authored-by: jmbish04 <26469722+jmbish04@users.noreply.github.com>

Author: Copilot

migrations/0002_gh_management_config.sql

@@ -0,0 +1,17 @@
+-- migrations/0002_gh_management_config.sql
+-- Table for tracking GitHub management operations (retrofit workflows, etc.)
+
+CREATE TABLE IF NOT EXISTS gh_management_config (
+  id INTEGER PRIMARY KEY AUTOINCREMENT,
+  timestamp DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
+  repo_name TEXT NOT NULL,
+  action TEXT NOT NULL,
+  status TEXT NOT NULL,
+  status_details TEXT,
+  created_at DATETIME DEFAULT CURRENT_TIMESTAMP
+);
+
+CREATE INDEX IF NOT EXISTS idx_gh_management_config_timestamp ON gh_management_config (timestamp);
+CREATE INDEX IF NOT EXISTS idx_gh_management_config_repo_name ON gh_management_config (repo_name);
+CREATE INDEX IF NOT EXISTS idx_gh_management_config_action ON gh_management_config (action);
+CREATE INDEX IF NOT EXISTS idx_gh_management_config_status ON gh_management_config (status);