parley: add IME support to text editor example #275

Job	Run time
cargo check (msrv) (windows-latest)	2m 13s
cargo check (msrv) (macos-latest)	1m 4s
cargo clippy (windows-latest)	4m 48s
cargo check (msrv) (android) (armv7-linux-androideabi)	57s
cargo check (msrv) (ubuntu-latest)	57s
cargo clippy (macos-latest)	2m 28s
cargo clippy (android) (armv7-linux-androideabi)	1m 41s
cargo check (msrv) (android) (aarch64-linux-android)	1m 14s
cargo clippy (ubuntu-latest)	2m 10s
cargo clippy (android) (aarch64-linux-android)	1m 38s
cargo check (msrv) (android) (x86_64-linux-android)	56s
cargo clippy (android) (x86_64-linux-android)	1m 40s
cargo doc (windows-latest)	3m 58s
cargo doc (macos-latest)	1m 0s
cargo fmt	24s
cargo doc (ubuntu-latest)	1m 15s
cargo test (windows-latest)	3m 33s
typos	4s
cargo test (macos-latest)	1m 24s
cargo test (ubuntu-latest)	1m 46s
	35m 10s

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