Update README

Author: regadas

README.md

@@ -28,6 +28,8 @@ Usage: tfr [options] <files? | STDIN>
         If enabled checks CRC32 on each record
   --number | -n  <int?>
         Number of records to output
+  --flat | -f  <bool>
+        Output examples as flat JSON objects
 ```
 
 ## Examples
@@ -50,7 +52,67 @@ tfr -n 1 core/src/test/resources/part-00000-of-00004.tfrecords | jq .
 cat core/src/test/resources/part-00000-of-00004.tfrecords | tfr -n 1 | jq .
 ```
 
-### Output Example
+### Output
+
+#### Flat
+
+```json
+{
+  "tips": [
+    0
+  ],
+  "trip_seconds": [
+    60
+  ],
+  "payment_type": [
+    "Cash"
+  ],
+  "trip_miles": [
+    0
+  ],
+  "dropoff_longitude": [
+    -87.63785
+  ],
+  "dropoff_latitude": [
+    41.893215
+  ],
+  "pickup_longitude": [
+    -87.63187
+  ],
+  "pickup_latitude": [
+    41.89204
+  ],
+  "trip_start_timestamp": [
+    1402934400
+  ],
+  "trip_start_day": [
+    2
+  ],
+  "trip_start_hour": [
+    16
+  ],
+  "trip_start_month": [
+    6
+  ],
+  "fare": [
+    3.25
+  ],
+  "dropoff_census_tract": [
+    "17031081800"
+  ],
+  "dropoff_community_area": [
+    "8"
+  ],
+  "pickup_community_area": [
+    "8"
+  ],
+  "trip_id": [
+    "8106c1f6-e6f3-426f-9aaf-b4e9703b4f10"
+  ]
+}
+```
+
+#### Default
 
 ```json
 {
@@ -66,14 +128,14 @@ cat core/src/test/resources/part-00000-of-00004.tfrecords | tfr -n 1 | jq .
       "trip_seconds": {
         "int64List": {
           "value": [
-            "60"
+            60
           ]
         }
       },
       "payment_type": {
         "bytesList": {
           "value": [
-            "Q2FzaA=="
+            "Cash"
           ]
         }
       },
@@ -115,28 +177,28 @@ cat core/src/test/resources/part-00000-of-00004.tfrecords | tfr -n 1 | jq .
       "trip_start_timestamp": {
         "int64List": {
           "value": [
-            "1402934400"
+            1402934400
           ]
         }
       },
       "trip_start_day": {
         "int64List": {
           "value": [
-            "2"
+            2
           ]
         }
       },
       "trip_start_hour": {
         "int64List": {
           "value": [
-            "16"
+            16
           ]
         }
       },
       "trip_start_month": {
         "int64List": {
           "value": [
-            "6"
+            6
           ]
         }
       },
@@ -150,28 +212,28 @@ cat core/src/test/resources/part-00000-of-00004.tfrecords | tfr -n 1 | jq .
       "dropoff_census_tract": {
         "bytesList": {
           "value": [
-            "MTcwMzEwODE4MDA="
+            "17031081800"
           ]
         }
       },
       "dropoff_community_area": {
         "bytesList": {
           "value": [
-            "OA=="
+            "8"
           ]
         }
       },
       "pickup_community_area": {
         "bytesList": {
           "value": [
-            "OA=="
+            "8"
           ]
         }
       },
       "trip_id": {
         "bytesList": {
           "value": [
-            "ODEwNmMxZjYtZTZmMy00MjZmLTlhYWYtYjRlOTcwM2I0ZjEw"
+            "8106c1f6-e6f3-426f-9aaf-b4e9703b4f10"
           ]
         }
       }