Added QR 2 problem

qr 2/description.md

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+When I am not practicing my [Oboe](https://en.wikipedia.org/wiki/Oboe) for band, I have been working on a QR code generator. For some reason, some of the images are not scannable. [Here](${qr_bmp}) is one, can you tell me what it says?

qr 2/grader.py

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+def grade(autogen, answer):
+    if answer.find("th3re_R_2_manY_Types_0f_Oboes_4_m3!!!") != -1:
+        return True, "Congrats!"
+    return False, "Nope, try again."

qr 2/problem.yml

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+title: QR 2
+author: wiresboy
+category: Forensics
+autogen: false
+programming: false
+value: 180
+hint: Is there another kind of Oboe?
+files:
+  - qr.bmp