feat: Added initial scaffold, db schema and entrypoint

migrations/20260625000000_initial_schema.sql

@@ -0,0 +1,24 @@
+-- Initial Schema for Bootstrap Auth Server
+
+CREATE TABLE devices (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    hostname TEXT NOT NULL,
+    os TEXT NOT NULL,
+    public_key TEXT NOT NULL UNIQUE,
+    approved_at DATETIME,
+    created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP
+);
+
+CREATE TABLE pending_requests (
+    user_code TEXT PRIMARY KEY,
+    device_id INTEGER NOT NULL,
+    challenge_nonce TEXT NOT NULL,
+    expires_at DATETIME NOT NULL,
+    FOREIGN KEY(device_id) REFERENCES devices(id) ON DELETE CASCADE
+);
+
+CREATE TABLE secrets (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    key_name TEXT NOT NULL UNIQUE,
+    encrypted_value TEXT NOT NULL
+);