Moved parts of the html separate files

templates/addForm.html

@@ -0,0 +1,7 @@
+<form action="/post" method="post">
+    Name:<br>
+    <input type="text" name="name" value=""><br>
+    Item:<br>
+    <input type="text" name="item" value=""><br><br>
+    <input type="submit" name="addValue"value="Submit">
+</form>