docs(npm): add description and keywords

Author: djcsdy

package.json

@@ -2,8 +2,72 @@
   "private": true,
   "name": "@softwareventures/async-iterator",
   "version": "0.0.0-development",
-  "description": "",
-  "keywords": [],
+  "description": "Pure functional AsyncIterator traversal",
+  "keywords": [
+    "AsyncIterator",
+    "TypeScript",
+    "all",
+    "and",
+    "any",
+    "append",
+    "average",
+    "concat",
+    "concatMap",
+    "contains",
+    "drop",
+    "dropUntil",
+    "dropWhile",
+    "empty",
+    "equal",
+    "exclude",
+    "excludeFirst",
+    "excludeNull",
+    "filter",
+    "find",
+    "findIndex",
+    "first",
+    "fold",
+    "fold1",
+    "functional",
+    "index",
+    "indexOf",
+    "initial",
+    "keyBy",
+    "keyFirstBy",
+    "keyLastBy",
+    "lambda",
+    "last",
+    "map",
+    "mapKeyBy",
+    "mapKeyFirstBy",
+    "mapKeyLastBy",
+    "maximum",
+    "maximumBy",
+    "minimum",
+    "minimumBy",
+    "noneNull",
+    "notEqual",
+    "only",
+    "or",
+    "prefixMatch",
+    "prepend",
+    "product",
+    "push",
+    "remove",
+    "removeFirst",
+    "scan",
+    "scan1",
+    "slice",
+    "sum",
+    "tail",
+    "take",
+    "takeUntil",
+    "takeWhile",
+    "toArray",
+    "toSet",
+    "unshift",
+    "zip"
+  ],
   "author": "Daniel Cassidy <mail@danielcassidy.me.uk>",
   "homepage": "https://github.com/softwareventures/async-iterator",
   "bugs": "https://github.com/softwareventures/async-iterator/issues",