New Example - App to store data locally using SQlite (#102)

* Added files of save data locally using sqlite example App

* Update README.md

save_data_locally_with_sqlite/lib/screens/homescreen/widgets/note_container.dart

@@ -0,0 +1,54 @@
+import 'package:flutter/material.dart';
+import 'package:flutter/painting.dart';
+
+class NoteContainer extends StatelessWidget {
+  final String text;
+  final String datetime;
+  NoteContainer({Key? key, this.text = '', this.datetime = ''})
+      : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    return Container(
+      margin: EdgeInsets.symmetric(vertical: 7, horizontal: 20),
+      decoration: BoxDecoration(
+        borderRadius: BorderRadius.circular(15),
+        boxShadow: [
+          BoxShadow(
+            color: Colors.blue.withOpacity(.4),
+            spreadRadius: 2.5,
+            blurRadius: 2.5,
+          )
+        ],
+        color: Colors.white,
+      ),
+      child: Column(
+        children: [
+          Container(
+            alignment: Alignment.center,
+            child: Text(
+              '$datetime',
+              style: TextStyle(
+                color: Colors.grey.shade700,
+                fontSize: 12,
+              ),
+            ),
+          ),
+          Row(
+            crossAxisAlignment: CrossAxisAlignment.center,
+            children: [
+              Flexible(
+                child: Container(
+                  padding: EdgeInsets.symmetric(vertical: 5, horizontal: 10),
+                  child: Text(
+                    '$text',
+                  ),
+                ),
+              ),
+            ],
+          ),
+        ],
+      ),
+    );
+  }
+}