Adds reusable version command (#29)

* Adds version file

Signed-off-by: Krishna Harsha Voora <[email protected]>

* Remove License headers

* Update the licencse

---------

Signed-off-by: Krishna Harsha Voora <[email protected]>

Author: krishvoor

version/version.go

@@ -0,0 +1,35 @@
+// Copyright 2023 The go-commons Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package version
+
+import (
+	"fmt"
+	"runtime"
+)
+
+// GitCommit returns the git commit that was compiled. This will be filled in by the compiler.
+var GitCommit string
+
+// BuildDate returns the date the binary was built
+var BuildDate = ""
+
+// Version returns the git tag that was compiled. This will be filled in by the compiler.
+var Version = ""
+
+// GoVersion returns the version of the go runtime used to compile the binary
+var GoVersion = runtime.Version()
+
+// OsArch returns the os and arch used to build the binary
+var OsArch = fmt.Sprintf("%s %s", runtime.GOOS, runtime.GOARCH)