temp: add prettier configs

.prettierignore

@@ -0,0 +1,4 @@
+# Auto-generated by `hivectl markdown-docs` — do not format.
+# The hivectl-docs CI check diffs this against fresh binary output,
+# so reformatting it would break that check.
+docs/tools/hivectl-cli.md

.prettierrc

@@ -0,0 +1,3 @@
+{
+  "proseWrap": "preserve"
+}