docs: add contributing guidelines (#359) #none

Co-authored-by: Tadashi <tadashi@cinnamon.is>

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -1,6 +1,6 @@
 name: "Bug Report"
 description: Report something that is not working as expected
-title: "[BUG] - <title>"
+title: "[BUG] "
 labels: ["bug"]
 body:
   - type: markdown

.github/ISSUE_TEMPLATE/feature_request.yml

@@ -1,6 +1,6 @@
 name: "Feature Request"
 description: Brainstorm and propose new features for the project
-title: "[REQUEST] - <title>"
+title: "[REQUEST] "
 labels: ["enhancement"]
 body:
   - type: markdown