Update issue template format
diff --git a/.github/ISSUE_TEMPLATE/1-bug.md b/.github/ISSUE_TEMPLATE/1-bug.yml
similarity index 100%
rename from .github/ISSUE_TEMPLATE/1-bug.md
rename to .github/ISSUE_TEMPLATE/1-bug.yml
diff --git a/.github/ISSUE_TEMPLATE/2-feature.md b/.github/ISSUE_TEMPLATE/2-feature.yml
similarity index 100%
rename from .github/ISSUE_TEMPLATE/2-feature.md
rename to .github/ISSUE_TEMPLATE/2-feature.yml