v0.5.1

What's Changed

• Todo cleanup by @plor in #274
• move to nanoid for tenant, user, apps! by @memosys in #275
• George feedback- round 1 + invoice styling by @memosys in #279
• Switched staging gateway url by @plor in #280
• typescript and nextjs build fixes -round 1 by @memosys in #281
• Report rate limit events to prometheus gauge by @plor in #283
• A few fixes needing to be pushed to prod by @plor in #282

Full Changelog: v0.5.0...v0.5.1