add initial marp implementation with sample content and build configuration

node_modules/bare-url/lib/url-search-params.d.ts

@@ -0,0 +1,21 @@
+interface URLSearchParams extends Iterable<[name: string, value: string]> {
+  readonly size: number
+
+  append(name: string, value: string): void
+  delete(name: string, value?: string): void
+  get(name: string): string | undefined
+  getAll(name: string): string[]
+  has(name: string, value?: string): boolean
+  set(name: string, value: string): void
+
+  toString(): string
+  toJSON(): string
+}
+
+declare class URLSearchParams {
+  constructor(
+    init: string | Record<string, string> | Iterable<[string, string]>
+  )
+}
+
+export = URLSearchParams