Sync common files from infra repository (#49)

Synchronized from bootc-dev/infra@3249ff0.

Signed-off-by: bootc-dev Bot <bot@bootc.dev>
Co-authored-by: bootc-dev Bot <bot@bootc.dev>

Author: bootc-bot[bot]

.bootc-dev-infra-commit.txt

@@ -0,0 +1 @@
+3249ff02e990cb856da25dcf44add398202088c0

.gemini/config.yaml

@@ -0,0 +1,15 @@
+# This config mainly overrides `summary: false` by default
+# as it's really noisy.
+have_fun: true
+code_review:
+  disable: false
+  # Even medium level can be quite noisy, I don't think
+  # we need LOW. Anyone who wants that type of stuff should
+  # be able to get it locally or before review.
+  comment_severity_threshold: MEDIUM
+  max_review_comments: -1
+  pull_request_opened:
+    help: false
+    summary: false # turned off by default
+    code_review: true
+ignore_patterns: []