Update issue templates

.github/ISSUE_TEMPLATE/-bug--bug-report.md

@@ -1,7 +1,7 @@
 ---
-name: Bug report
+name: "[BUG] Bug report"
 about: Create a report to help us improve
-title: "Bug: "
+title: "[BUG] : "
 labels: bug
 assignees: Zagrios
 

.github/ISSUE_TEMPLATE/-feat---feature-request.md

@@ -1,7 +1,7 @@
 ---
-name: Feature request
+name: "[FEAT.] Feature request"
 about: Suggest an idea for this project
-title: "Feature: "
+title: "[FEAT.] : "
 labels: enhancement
 assignees: Zagrios