Add broken and sample files to tests/

Author: istathar

tests/broken/BadDeclaration.tq

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+making_coffee : Ingredients Coffee

tests/broken/IllegalUnitSymbol.tq

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+% technique v1
+
+result :
+{
+    [
+        "speed" = 3.0 × 10⁸ m_s
+        "weight" = 84.0 +/- 3.6 kg
+        "height" = 1.93 * 10^2 cm
+    ]
+}

tests/broken/MagicLine.tq

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+% technique v0

tests/broken/UnclosedInterpolation.tq

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+% technique v1
+
+another_example(e) : Input -> Output
+{
+    [
+        "answer" = 42
+        "Question Time" = "What is the question?"
+        "timestamp" = now()
+        "message" = e
+        "interpolation" = "The value is { e "
+    ]
+}

tests/samples/TabletOfQuantity.tq

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+% technique v1
+
+result :
+{
+    [
+        "speed" = 3.0 × 10⁸ m/s
+        "weight" = 84.0 +/- 3.6 kg
+        "height" = 1.93 * 10^2 cm
+    ]
+}