feat: initial cfdav project with webdav+r2+d1 and pages admin docs

migrations/0001_init.sql

@@ -0,0 +1,20 @@
+-- initial schema (files)
+CREATE TABLE IF NOT EXISTS files (
+  id TEXT PRIMARY KEY,
+  owner_id TEXT NOT NULL,
+  parent_id TEXT,
+  path TEXT NOT NULL,
+  name TEXT NOT NULL,
+  is_folder INTEGER NOT NULL DEFAULT 0,
+  size INTEGER NOT NULL DEFAULT 0,
+  mime_type TEXT,
+  r2_key TEXT NOT NULL,
+  created_at TEXT NOT NULL,
+  updated_at TEXT NOT NULL,
+  deleted_at TEXT
+);
+
+CREATE INDEX IF NOT EXISTS idx_files_path ON files(path);
+CREATE INDEX IF NOT EXISTS idx_files_parent ON files(parent_id);
+CREATE INDEX IF NOT EXISTS idx_files_deleted ON files(deleted_at);
+CREATE INDEX IF NOT EXISTS idx_files_owner ON files(owner_id);