Improved issue templates (#77)

Author: danielholanda

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -1,5 +1,5 @@
-name: Bug Report
-description: Report an issue with llamacpp-rocm
+name: Bug Report on llama.cpp + ROCm builds
+description: Report an issue specific to running llama.cpp with ROCm
 labels: ["bug"]
 body:
   - type: markdown

.github/ISSUE_TEMPLATE/config.yml

@@ -1,5 +1,8 @@
-blank_issues_enabled: true
+blank_issues_enabled: false
 contact_links:
-  - name: Upstream llama.cpp
+  - name: Bug Report on upstream llama.cpp
     url: https://github.com/ggml-org/llama.cpp/issues
     about: If your issue is not ROCm-specific, please report it to the upstream llama.cpp repository instead.
+  - name: Bug Report on upstream ROCm
+    url: https://github.com/ROCm/ROCm/issues
+    about: If your issue is purely related to ROCm (not llama.cpp), please report it to the ROCm repository instead.