Update issue templates

Author: Iffi

.github/ISSUE_TEMPLATE/alternation.md

@@ -0,0 +1,20 @@
+---
+name: Alternation
+about: Something you find inconvinient and needs to be alternated.
+title: "[ALTER]"
+labels: allter
+assignees: ''
+
+---
+
+**Where to alter**
+
+**Why to alter**
+illy designed?
+bad naming / strange acronyms?
+obscured function description?
+lack of inline comments?
+Unecessary document?
+
+**How to alter**
+Your suggested altenation, preferably a detailed example.