feat: app minification

[jimcase]

Description

Binary minification can help slow down attackers with access to the runtime and make it harder to know where to check memory for exploits.

We should minify the entire Capacitor app on production builds.

Checklist before requesting a review

Issue ticket number and link

• This PR has a valid ticket number or issue: [link]

Testing & Validation

• This PR has been tested/validated in IOS, Android and browser.
• The code has been tested locally with test coverage match expectations.
• Added new Unit/Component testing (if relevant).

Security

• No secrets are being committed (i.e. credentials, PII)
• This PR does not have any significant security implications

Code Review

• There is no unused functionality or blocks of commented out code (otherwise, please explain below)
• In addition to this PR, all relevant documentation (e.g. Confluence) and architecture diagrams (e.g. Miro) were updated

Design Review

• If this PR contains changes to the UI, it has gone through a design review with UX Designer or Product owner.
• In case PR contains changes to the UI, add some screenshots to notice the differences

[jimcase]

ARC (Automatic Reference Counting), flag:
-fobjc-arc

NX (Non-Executable Stack), flag:
-Wl,-z,noexecstack

STACK CANARY, flag:
-fstack-protect or -fstack-protector-all

SYMBOLS STRIPPED, flags:

COPY_PHASE_STRIP = YES
DEPLOYMENT_POSTPROCESSING = YES
STRIP_INSTALLED_PRODUCT = YES

RELRO (Relocation Read-Only), flags:
-Wl,-z,relro

RPATH/RUNPATH, flags:
-Wl,-rpath,@executable_path/Frameworks

PIE, flag:
-pie

FORTIFY:

 -D_FORTIFY_SOURCE=2
GCC_OPTIMIZATION_LEVEL = -O2