Added hectormonacci/tsv2json (#1225)

tsv2json is a terminal utility writenn entirely in Nim. It takes a file or stream with a TSV header and zero or more TSV records and returns the same information, formatted as JSON

packages.json

@@ -1,4 +1,16 @@
 [
+  {
+    "name": "tsv2json",
+    "url": "https://github.com/hectormonacci/tsv2json",
+    "method": "git",
+    "tags": [
+      "TSV",
+      "JSON"
+    ],
+    "description": "Turn TSV file or stream into JSON file or stream",
+    "license": "MIT",
+    "web": "https://github.com/hectormonacci/tsv2json"
+  },
   {
     "name": "nimler",
     "url": "https://github.com/wltsmrz/nimler",