Update docs

.github/ISSUE_TEMPLATE.md

@@ -4,6 +4,11 @@ If it looks like a local environment issue, please try to debug yourself. Debugg
 
 Before opening an issue, please try to reproduce the issue on latest master. The bug you noticed might have already been fixed.
 
+Useful links:
+
+- [compile `nnn` from source](https://github.com/jarun/nnn#from-source)
+- [debugging `nnn`](https://github.com/jarun/nnn/wiki/debugging-nnn)
+
 If the issue can be reproduced on master, please make sure you provide the following:
 
 - exact steps to reproduce the issue

README.md

@@ -313,8 +313,8 @@ To list the file paths copied to memory press <kbd>y</kbd>.
 File paths are copied to the temporary file `DIR/.nnncp`, where `DIR` (by priority) is:
 
     $HOME or,
-    $TMPDIR or,
     /tmp
+    $TMPDIR or,
 
 The path is shown in the help and configuration screen.