feat(file): Added functionality to retrieve magic bytes from files and detect file types using magic bytes.

ts/classes.file.ts

@@ -50,6 +50,10 @@ export class File {
   public parentDirectoryRef: Directory;
   public name: string;
 
+  /**
+   * get the full path to the file
+   * @returns the full path to the file
+   */
   public getBasePath(): string {
     return plugins.path.join(this.parentDirectoryRef.getBasePath(), this.name);
   }
@@ -188,7 +192,7 @@ export class File {
     if (isDirectory) {
       moveToPath = await helpers.reducePathDescriptorToPath({
         ...pathDescriptorArg,
-        path: plugins.path.join(pathDescriptorArg.path, this.name),
+        path: plugins.path.join(pathDescriptorArg.path!, this.name),
       });
     }
     // lets move the file
@@ -230,4 +234,11 @@ export class File {
       contents: JSON.stringify(dataArg),
     });
   }
+
+  public async getMagicBytes(optionsArg: { length: number }): Promise<Buffer> {
+    return this.parentDirectoryRef.bucketRef.getMagicBytes({
+      path: this.getBasePath(),
+      length: optionsArg.length
+    })
+  }
 }