Orca v0.5.13

What's Changed

• docs: add README badges, terminal demo, and related projects by @echoVic in #135
• fix(computer-use): live-verified macOS typing, focus and overlay fixes by @echoVic in #141
• fix(computer-use): follow-ups to #141 — foreground selection and live-test robustness by @echoVic in #142
• fix: dynamic DeepSeek pricing and the #137–#140 runtime fixes by @echoVic in #143
• release: v0.5.13 — DeepSeek pricing, computer input, and smaller requests by @echoVic in #144

Full Changelog: v0.5.12...v0.5.13