Fixes #1 Allow for multiple artifacts

src/Artifact.ts

@@ -0,0 +1,22 @@
+import { basename } from "path";
+import { readFileSync, statSync } from "fs";
+
+export class Artifact {
+    readonly contentType: string
+    readonly name: string
+    readonly path: string
+
+    constructor(path: string, contentType: string = "raw") {
+        this.path = path
+        this.name = basename(path)
+        this.contentType = contentType;
+    }
+
+    get contentLength(): number {
+        return statSync(this.path).size
+    }
+
+    readFile(): Buffer {
+        return readFileSync(this.path)
+    }
+}