refactor: remove copy-object and type definitions; migrate to new S3 structure

- Deleted copy-object.ts and type.ts files as part of the refactor.
- Updated index.ts to export from new S3 core and type files.
- Refactored OssBase class in core.ts to handle file uploads and object management.
- Enhanced error handling for object retrieval and metadata management.
- Introduced new methods for handling object streams and metadata filtering.
- Updated download utility functions to align with new structure.

bun.config.ts

@@ -1,18 +1,23 @@
-import glob from 'fast-glob';
-import dts from 'bun-plugin-dts';
+import { resolvePath } from '@kevisual/use-config';
+import { execSync } from 'node:child_process';
 
-const services = await glob('src/services/*.ts');
+const buildFn = async (opts: { entry?: string, naming?: string }) => {
+  const entry = opts.entry || 'src/index.ts';
+  const naming = opts.naming || 'app';
+  const external: string[] = ["bun"];
+  await Bun.build({
+    target: 'node',
+    format: 'esm',
+    entrypoints: [resolvePath(entry, { meta: import.meta })],
+    outdir: resolvePath('./dist', { meta: import.meta }),
+    naming: {
+      entry: `${naming}.js`,
+    },
+    external,
+  });
+  const cmd = `dts -i ${entry} -o ${naming}.d.ts`;
+  execSync(cmd);
+};
 
-await Bun.build({
-  entrypoints: ['src/index.ts', ...services],
-  outdir: './dist',
-  target: 'node',
-  format: 'esm',
-  splitting: false,
-  sourcemap: 'none',
-  minify: false,
-  external: ['minio'],
-  plugins: [dts()],
-});
-
-console.log('Build completed!');
+await buildFn({ naming: 'index', entry: 'src/index.ts' });
+await buildFn({ naming: 'services', entry: 'src/services/index.ts' });