Add kythe issue template
diff --git a/.github/ISSUE_TEMPLATE/custom.md b/.github/ISSUE_TEMPLATE/custom.md
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+---
+name: Custom issue template
+about: Describe this issue template's purpose here.
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+
diff --git a/.github/ISSUE_TEMPLATE/kythe-issues.md b/.github/ISSUE_TEMPLATE/kythe-issues.md
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+---
+name: Kythe issues
+about: For kythe index extraction issues and feature requests
+title: "[kythe] bug title"
+labels: kythe
+assignees: ''
+
+---
+
+## Input test case
+
+Try to reduce the test down to a single demonstrative file.
+
+```systemverilog
+// test code here
+```
+
+## Describe what is wrong or missing
+
+e.g. is a fact missing? or is a reference link incorrect?
