Add package nimlevenshtein (#1198)

packages.json

@@ -14637,5 +14637,18 @@
     "description": "A Nim scheduler library that lets you kick off jobs at regular intervals.",
     "license": "MIT",
     "web": "https://github.com/soasme/nim-schedules"
+  },
+  {
+    "name": "nimlevenshtein",
+    "url": "https://github.com/oswjk/nimlevenshtein",
+    "method": "git",
+    "tags": [
+      "levenshtein",
+      "similarity",
+      "string"
+    ],
+    "description": "The Levenshtein Nim module contains functions for fast computation of Levenshtein distance and string similarity.",
+    "license": "GPLv2",
+    "url": "https://github.com/oswjk/nimlevenshtein"
   }
 ]