Fix/metar reading (#354)

* Account for empty ICAO; added tests

* Fix null returns

* Fix typo in volume units display

* Add version field for bug report template

* Some more changes to the bug report template

.github/ISSUE_TEMPLATE/bug_report.md

@@ -10,6 +10,9 @@ assignees: ''
 **Describe the bug**
 A clear and concise description of what the bug is.
 
+**Version**
+Please enter the version
+
 **To Reproduce**
 Steps to reproduce the behavior:
 1. Go to '...'
@@ -23,10 +26,5 @@ A clear and concise description of what you expected to happen.
 **Screenshots**
 If applicable, add screenshots to help explain your problem.
 
-**Desktop (please complete the following information):**
- - OS: [e.g. iOS]
- - Browser [e.g. chrome, safari]
- - Version [e.g. 22]
-
 **Additional context**
-Add any other context about the problem here.
+Add any other context and attach logs (from `storage/logs/laravel-<date>.log`)