Request supporting new hosting service/application

[shiraji]

Plugin crash when try to listing PR for the files that are not in git control

com.intellij.openapi.vcs.VcsException: fatal: no such path '***FILE_NAME***' in HEAD

	at git4idea.commands.GitBinaryHandler$1.processTerminated(GitBinaryHandler.java:157)
	at jdk.internal.reflect.GeneratedMethodAccessor147.invoke(Unknown Source)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
	at com.intellij.util.EventDispatcher.dispatchVoidMethod(EventDispatcher.java:120)
	at com.intellij.util.EventDispatcher.lambda$createMulticaster$1(EventDispatcher.java:85)
	at jdk.proxy1/jdk.proxy1.$Proxy144.processTerminated(Unknown Source)
	at git4idea.commands.GitBinaryHandler.waitForProcess(GitBinaryHandler.java:122)
	at git4idea.commands.GitHandler.runInCurrentThread(GitHandler.java:407)
	at git4idea.commands.GitBinaryHandler.run(GitBinaryHandler.java:179)
	at com.github.shiraji.findpullrequest.model.GitHistoryService.findRevisionHashes(GitHistoryService.kt:76)
	at com.github.shiraji.findpullrequest.action.ListPullRequestToggleAction.listPRs(ListPullRequestToggleAction.kt:87)
	at com.github.shiraji.findpullrequest.action.ListPullRequestToggleAction.setSelected(ListPullRequestToggleAction.kt:63)
	at com.intellij.openapi.actionSystem.ToggleAction.actionPerformed(ToggleAction.java:48)