parley: add IME support to text editor example #276

Job	Run time
cargo check (msrv) (windows-latest)	1m 9s
cargo check (msrv) (android) (armv7-linux-androideabi)	23s
cargo clippy (android) (armv7-linux-androideabi)	45s
cargo check (msrv) (macos-latest)	28s
cargo clippy (windows-latest)	2m 3s
cargo check (msrv) (android) (aarch64-linux-android)	40s
cargo clippy (android) (aarch64-linux-android)	1m 16s
cargo check (msrv) (ubuntu-latest)	24s
cargo clippy (macos-latest)	1m 3s
cargo check (msrv) (android) (x86_64-linux-android)	45s
cargo clippy (android) (x86_64-linux-android)	1m 19s
cargo clippy (ubuntu-latest)	51s
cargo doc (windows-latest)	2m 34s
cargo fmt	23s
cargo doc (macos-latest)	56s
cargo test (windows-latest)	1m 44s
typos	5s
cargo doc (ubuntu-latest)	59s
cargo test (macos-latest)	30s
cargo test (ubuntu-latest)	26s
	18m 43s

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