added an issue template

ISSUE_TEMPLATE.md

@@ -0,0 +1,26 @@
+<!--- This is a generic template and may not be applicable in all cases. -->
+<!--- Try to follow it where possible. -->
+
+### Description of the Issue
+<!--- Provide a more detailed description to the issue itself -->
+
+### Steps to Reproduce the Issue
+<!--- Set of steps to reproduce this issue -->
+1. 
+2. 
+3. 
+
+### Expected Behavior
+<!--- What did you expect to happen -->
+
+### Actual Behavior
+<!--- What actually happened -->
+
+### Debug Information
+<!--- Debug Info of N++ can be found under the "?" menu -->
+<!--- NppFTP version can be found under plugin->NppFTP->About NppFTP -->
+<!--- type of FTP connection: FTP, FTPS, FTPES, SFTP -->
+<!--- type of authentication: password, private keyfile, interactive -->
+<!--- hostname: if it is an anonymously accessible public ftp server -->
+
+<!--- Feel free to include any other info, such as screenshots, etc -->