Add iOS release readiness docs and CI

.github/workflows/ios-rust.yml

@@ -0,0 +1,36 @@
+name: iOS and Rust
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+
+jobs:
+  rust:
+    runs-on: macos-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@stable
+      - name: Format
+        run: cargo fmt -- --check
+      - name: Core check
+        run: cargo check -p tele-core
+      - name: Workspace clippy
+        run: cargo clippy --workspace --all-targets --all-features -- -D warnings
+      - name: Workspace tests
+        run: cargo test --workspace --all-features
+      - name: Generate iOS FFI bindings
+        run: scripts/generate-ios-ffi-bindings.sh /tmp/tele-ios-ffi
+      - name: Swift bindings typecheck
+        run: swiftc -typecheck -I /tmp/tele-ios-ffi/Headers /tmp/tele-ios-ffi/Swift/tele_ios_ffi.swift
+
+  ios-shell:
+    runs-on: macos-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Build SwiftUI app shell
+        working-directory: apps/ios/TeleTuiIOS
+        run: swift build --product TeleTuiIOSApp
+      - name: Run SwiftUI smoke tests
+        working-directory: apps/ios/TeleTuiIOS
+        run: swift run TeleTuiIOSSmokeTests