add group

.idea/workspace.xml

@@ -1,10 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="ChangeListManager">
-    <list default="true" id="5a6b7592-d33a-448a-b58e-33d059444ec7" name="Default Changelist" comment="">
-      <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/README.md" beforeDir="false" afterPath="$PROJECT_DIR$/README.md" afterDir="false" />
-    </list>
+    <list default="true" id="5a6b7592-d33a-448a-b58e-33d059444ec7" name="Default Changelist" comment="" />
     <option name="EXCLUDED_CONVERTED_TO_IGNORED" value="true" />
     <option name="SHOW_DIALOG" value="false" />
     <option name="HIGHLIGHT_CONFLICTS" value="true" />
@@ -59,7 +56,7 @@
       </usages-collector>
       <usages-collector id="statistics.lifecycle.project">
         <counts>
-          <entry key="project.closed" value="22" />
+          <entry key="project.closed" value="23" />
           <entry key="project.open.time.0" value="6" />
           <entry key="project.open.time.1" value="3" />
           <entry key="project.open.time.19" value="1" />
@@ -205,7 +202,7 @@
     <detection-done>true</detection-done>
     <sorting>DEFINITION_ORDER</sorting>
   </component>
-  <component name="ProjectFrameBounds" extendedState="7">
+  <component name="ProjectFrameBounds" extendedState="6">
     <option name="x" value="-7" />
     <option name="width" value="974" />
     <option name="height" value="1087" />