chore: make IDEA support IssueNavigationLink and add icon (#2521)

.gitignore

@@ -19,8 +19,9 @@ gen-java
 .svn
 
 ### IntelliJ IDEA ###
-.idea
-.idea/
+.idea/*
+!.idea/vcs.xml
+!.idea/icon.png
 *.iws
 *.iml
 *.ipr

.idea/vcs.xml

@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+  Licensed to the Apache Software Foundation (ASF) under one or more
+  contributor license agreements.  See the NOTICE file distributed with
+  this work for additional information regarding copyright ownership.
+  The ASF licenses this file to You 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.
+  -->
+
+<project version="4">
+  <component name="IssueNavigationConfiguration">
+    <option name="links">
+      <list>
+        <IssueNavigationLink>
+          <option name="issueRegexp" value="#(\d+)" />
+          <!--
+            GitHub share the sequence number of issues and pull requests, and it will redirect to
+            the right place when the the sequence number not match kind.
+           -->
+          <option name="linkRegexp" value="https://github.com/apache/hugegraph/pull/$1" />
+        </IssueNavigationLink>
+      </list>
+    </option>
+  </component>
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>