;github: separate bug/wish issue templates

First attempt.

[ci skip]

.github/ISSUE_TEMPLATE/a-bug.md

@@ -0,0 +1,13 @@
+---
+name:  A bug
+about: Any problem that is most likely an error or weakness in hledger's software, documentation, web presence, usability etc.
+labels: A BUG
+---
+
+Thank you for your bug report!
+
+Requests for help and support with hledger are very welcome but best handled
+on the [hledger mail list](http://list.hledger.org) 
+or [#hledger IRC chat room](http://irc.hledger.org),
+not this issue tracker.
+If you're not sure what it is, it's fine to post here.

.github/ISSUE_TEMPLATE/a-wish.md

@@ -0,0 +1,17 @@
+---
+name:  A wish
+about: A request for some improvement to hledger's software, documentation, web presence, usability etc.
+labels: A WISH
+---
+
+Thank you!
+
+Note, we would prefer not to clutter the bug tracker with wishlist items and ideas.
+Often it's best to raise them on the [mail list, IRC chat room or reddit](http://hledger.org#help) first,
+to discuss solutions and attract interest.
+Use your best judgement.
+
+Requests for help and support with hledger are very welcome but also best handled
+on the [hledger mail list](http://list.hledger.org) 
+or [#hledger IRC chat room](http://irc.hledger.org),
+not this issue tracker.

.github/ISSUE_TEMPLATE/general-issue.md

@@ -1,9 +0,0 @@
----
-name: General issue
-about: A bug report or improvement request, usually.
-
----
-
-Thanks for your issue report.
-Note, questions about how to use hledger are usually best asked in the chat room or mail list.
-It's ok to ask here if you're not sure or those don't work for you (let us know why).