prettierrc: update config

Copy org-wide config from openbmc-build-scripts and reformat
accordingly.

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: Ie142989f03f7d702b48f33bbf1c50b3b2f1f47c4
diff --git a/.prettierrc.yaml b/.prettierrc.yaml
index f07fbdd..a69b879 100644
--- a/.prettierrc.yaml
+++ b/.prettierrc.yaml
@@ -1,3 +1,7 @@
-tabWidth: 2
+tabWidth: 4
+printWidth: 80
+proseWrap: "always"
 overrides:
-    - { "files": "*.yaml", "options": { "tabWidth": 4 } }
+    - files: "*.md"
+      options:
+          tabWidth: 2