v0.3.2

Patch release.

• Bump @pi-oxide/extension-js to 0.13.3 (inactive tab readiness).
• Align public/manifest.json version with package.json (0.3.2) — the installed extension had been reporting 0.2.0 through the 0.3.0/0.3.1/0.3.2 package bumps.

Install: download browsergent-0.3.2.crx (or the .zip for unpacked load).