Initial code for Hw-go xApp

Initial code for xApp.

Signed-off-by: subhash kumar singh <subh.singh@samsung.com>
Change-Id: I71711d1a5cf97a1b975d50cfe641ce23a66fc4bb
diff --git a/hwApp.go b/hwApp.go
new file mode 100755
index 0000000..a02abc9
--- /dev/null
+++ b/hwApp.go
@@ -0,0 +1,53 @@
+/*
+==================================================================================
+  Copyright (c) 2020 Samsung
+
+   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.
+
+   This source code is part of the near-RT RIC (RAN Intelligent Controller)
+   platform project (RICP).
+==================================================================================
+*/
+package main
+
+import (
+	"gerrit.o-ran-sc.org/r/ric-plt/xapp-frame/pkg/xapp"
+)
+
+type HWApp struct {
+}
+
+func (e *HWApp) ConfigChangeHandler(f string) {
+	xapp.Logger.Info("Config file changed")
+}
+
+func (e *HWApp) Consume(rp *xapp.RMRParams) (err error) {
+	return
+}
+
+func (e *HWApp) Run() {
+
+	// set MDC
+	xapp.Logger.SetMdc("HWApp", "0.0.1")
+
+	// set config change listener
+	xapp.AddConfigChangeListener(e.ConfigChangeHandler)
+
+	xapp.RunWithParams(e, false)
+
+}
+
+func main() {
+	hw := HWApp{}
+	hw.Run()
+}