style(bmad-module): apply prettier formatting to README and SKILL

Formatting-only; no content changes. Brings both docs in line with the
repo's prettier config (a leftover from the .js→.mjs migration).

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

src/core-skills/bmad-module/README.md

@@ -36,7 +36,7 @@ bmad-module list    [--json]
 - **`remove`** without `--purge` preserves `_bmad/custom/<code>/` so a
   re-install picks the customizations back up. `--purge` deletes them.
 - **Hooks / MCP / LSP / Claude subagents** declared in the module manifest
-  are *copied* but NOT auto-activated by this skill. Use Claude Code's
+  are _copied_ but NOT auto-activated by this skill. Use Claude Code's
   plugin manager to wire them up.
 
 ## Implementation

src/core-skills/bmad-module/SKILL.md

@@ -34,7 +34,7 @@ plugin via its `.claude-plugin/plugin.json` manifest.
 The user's request maps to exactly one of:
 
 | Verb      | Phrasing                                                               |
-|---|---|
+| --------- | ---------------------------------------------------------------------- |
 | `install` | "install module X", "add the X module", "set up X"                     |
 | `update`  | "update module X", "upgrade X", "pull the latest X"                    |
 | `remove`  | "remove module X", "uninstall X", "delete X module"                    |
@@ -97,7 +97,7 @@ suggest workarounds beyond what the script's message itself suggests
 ## EXIT CODES
 
 | Code | Meaning                                                                                                       |
-|---|---|
+| ---- | ------------------------------------------------------------------------------------------------------------- |
 | 0    | success                                                                                                       |
 | 2    | usage error (bad/missing args or flags)                                                                       |
 | 5    | skill runtime files missing/corrupt — reinstall the skill (a setup/packaging problem, NOT a module rejection) |