add un/info/results.json back in, hopefully in the right format

tests/example_data/un/info/results.json

@@ -0,0 +1,78 @@
+{
+    "niter": 16650,
+    "logz": -12.414914594805953,
+    "logzerr": 0.7649516021328628,
+    "logz_bs": -12.378097297348035,
+    "logz_single": -12.414914594805953,
+    "logzerr_tail": 0.405716490463611,
+    "logzerr_bs": 0.6484944741256662,
+    "ess": 988.8766189106832,
+    "H": 38.639675527033575,
+    "Herr": 0.22373181701346842,
+    "posterior": {
+        "mean": [
+            0.5025783329483371,
+            0.7370934893843076,
+            0.9206375311748793,
+            0.9987450408249887
+        ],
+        "stdev": [
+            0.09929557150158441,
+            0.0021313377831688133,
+            4.6033000067476255e-05,
+            1.0182458288564012e-06
+        ],
+        "median": [
+            0.506654697190454,
+            0.7370548529653416,
+            0.920636543102102,
+            0.9987450545520016
+        ],
+        "errlo": [
+            0.4016698354319299,
+            0.7350305173203235,
+            0.9205913816528906,
+            0.9987439938546689
+        ],
+        "errup": [
+            0.601282668275072,
+            0.7393071000969336,
+            0.9206855255078583,
+            0.9987460211457329
+        ],
+        "information_gain_bits": [
+            3.7847253159407837,
+            4.14647919764959,
+            4.14647919764959,
+            4.14647919764959
+        ]
+    },
+    "maximum_likelihood": {
+        "logl": 28.526361154649237,
+        "point": [
+            0.4912994020358319,
+            0.7373000808358334,
+            0.9206344043582959,
+            0.9987452206617764
+        ],
+        "point_untransformed": [
+            0.5245649701017916,
+            0.5368650040417917,
+            0.5460317202179148,
+            0.5499372610330888
+        ]
+    },
+    "ncall": 39885,
+    "paramnames": [
+        "a",
+        "b",
+        "c",
+        "d"
+    ],
+    "logzerr_single": 0.31080410038734035,
+    "insertion_order_MWW_test": {
+        "independent_iterations": Infinity,
+        "converged": true
+    }
+}
+