feat: add JavaScript implementation and clean-up blas/base/dger

lib/node_modules/@stdlib/blas/base/dger/package.json

@@ -1,7 +1,7 @@
 {
   "name": "@stdlib/blas/base/dger",
   "version": "0.0.0",
-  "description": "Perform the rank 1 operation `A = α*x*y^T + A`.",
+  "description": "Perform the rank 1 operation A = alpha⋅x⋅y^T + A.",
   "license": "Apache-2.0",
   "author": {
     "name": "The Stdlib Authors",
@@ -17,8 +17,6 @@
   "browser": "./lib/main.js",
   "gypfile": true,
   "directories": {
-    "benchmark": "./benchmark",
-    "doc": "./docs",
     "example": "./examples",
     "include": "./include",
     "lib": "./lib",