feat(modules): migrate to go modules and bump go version 1.14.4

- migrate to go module
- bump go version 1.14.4

Signed-off-by: prateekpandey14 <prateek.pandey@mayadata.io>

vendor/gonum.org/v1/gonum/lapack/README.md

@@ -0,0 +1,28 @@
+Gonum LAPACK [![GoDoc](https://godoc.org/gonum.org/v1/gonum/lapack?status.svg)](https://godoc.org/gonum.org/v1/gonum/lapack)
+======
+
+A collection of packages to provide LAPACK functionality for the Go programming
+language (http://golang.org). This provides a partial implementation in native go
+and a wrapper using cgo to a c-based implementation.
+
+## Installation
+
+```
+  go get gonum.org/v1/gonum/lapack/...
+```
+
+## Packages
+
+### lapack
+
+Defines the LAPACK API based on http://www.netlib.org/lapack/lapacke.html
+
+### lapack/gonum
+
+Go implementation of the LAPACK API (incomplete, implements the `float64` API).
+
+### lapack/lapack64
+
+Wrappers for an implementation of the double (i.e., `float64`) precision real parts of
+the LAPACK API.
+