chore: subject docs/*.md to Prettier checks (#4645)

Apparently we were not running our `pnpm run prettier` check in CI, so
many files that were covered by the existing Prettier check were not
well-formatted.

This updates CI and formats the files.

docs/CLA.md

@@ -10,18 +10,21 @@ past and future “Contributions” submitted to the **OpenAI Codex CLI projec
 ---
 
 ## 1. Definitions
+
 - **“Contribution”** – any original work of authorship submitted to the Project
   (code, documentation, designs, etc.).
 - **“You” / “Your”** – the individual (or legal entity) posting the acceptance
   comment.
 
-## 2. Copyright License  
+## 2. Copyright License
+
 You grant **OpenAI, Inc.** and all recipients of software distributed by the
 Project a perpetual, worldwide, non‑exclusive, royalty‑free, irrevocable
 license to reproduce, prepare derivative works of, publicly display, publicly
 perform, sublicense, and distribute Your Contributions and derivative works.
 
-## 3. Patent License  
+## 3. Patent License
+
 You grant **OpenAI, Inc.** and all recipients of the Project a perpetual,
 worldwide, non‑exclusive, royalty‑free, irrevocable (except as below) patent
 license to make, have made, use, sell, offer to sell, import, and otherwise
@@ -32,13 +35,15 @@ Contribution infringes a patent, the patent licenses granted by You to that
 entity under this CLA terminate.
 
 ## 4. Representations
-1. You are legally entitled to grant the licenses above.  
+
+1. You are legally entitled to grant the licenses above.
 2. Each Contribution is either Your original creation or You have authority to
-   submit it under this CLA.  
-3. Your Contributions are provided **“AS IS”** without warranties of any kind.  
+   submit it under this CLA.
+3. Your Contributions are provided **“AS IS”** without warranties of any kind.
 4. You will notify the Project if any statement above becomes inaccurate.
 
-## 5. Miscellany  
+## 5. Miscellany
+
 This Agreement is governed by the laws of the **State of California**, USA,
 excluding its conflict‑of‑laws rules. If any provision is held unenforceable,
 the remaining provisions remain in force.