chore: Update cocoa examples to be easier to use

[itaybre]

DESCRIBE YOUR PR

Improves the Apple examples so it can be copy pasted to generate the first Sentry issue.

Fixes getsentry/sentry-cocoa#4991

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SLA

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• Please give the docs team up to 1 week to review your PR unless you've added an urgent due date to it.
  Thanks in advance for your help!

PRE-MERGE CHECKLIST

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• Checked Vercel preview for correctness, including links
• PR was reviewed and approved by any necessary SMEs (subject matter experts)
• PR was reviewed and approved by a member of the Sentry docs team

LEGAL BOILERPLATE

Look, I get it. The entity doing business as "Sentry" was incorporated in the State of Delaware in 2015 as Functional Software, Inc. and is gonna need some rights from me in order to utilize my contributions in this here PR. So here's the deal: I retain all rights, title and interest in and to my contributions, and by keeping this boilerplate intact I confirm that Sentry can use, modify, copy, and redistribute my contributions, under Sentry's choice of terms.

EXTRA RESOURCES

• Sentry Docs contributor guide

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Name	Status	Preview	Comments	Updated (UTC)
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[codecov]

Bundle Report

Changes will decrease total bundle size by 15 bytes (-0.0%) ⬇️. This is within the configured threshold ✅

Detailed changes

Bundle name	Size	Change
sentry-docs-server-cjs	11.22MB	-9 bytes (-0.0%) ⬇️
sentry-docs-client-array-push	9.77MB	-6 bytes (-0.0%) ⬇️

Affected Assets, Files, and Routes:

view changes for bundle: sentry-docs-server-cjs

Assets Changed:

Asset Name	Size Change	Total Size	Change (%)
1729.js	-3 bytes	1.75MB	-0.0%
../instrumentation.js	-3 bytes	1.08MB	-0.0%
9523.js	-3 bytes	1.05MB	-0.0%

view changes for bundle: sentry-docs-client-array-push

Assets Changed:

Asset Name	Size Change	Total Size	Change (%)
static/chunks/pages/_app-*.js	-3 bytes	868.7kB	-0.0%
static/chunks/8165-*.js	-3 bytes	410.1kB	-0.0%
server/middleware-*.js	-5.55kB	1.0kB	-84.74%
server/middleware-*.js	5.55kB	6.55kB	555.3% ⚠️
static/wN5tU21eArbUatGoLf6iS/_buildManifest.js (New)	616 bytes	616 bytes	100.0% 🚀
static/wN5tU21eArbUatGoLf6iS/_ssgManifest.js (New)	77 bytes	77 bytes	100.0% 🚀
static/tN8MPWJKyZR1P3N2Q4fC3/_buildManifest.js (Deleted)	-616 bytes	0 bytes	-100.0% 🗑️
static/tN8MPWJKyZR1P3N2Q4fC3/_ssgManifest.js (Deleted)	-77 bytes	0 bytes	-100.0% 🗑️

[armcknight]

Seems clearer, ship it!

[philipphofmann]

Thanks, LGTM with a few minor suggestions