fix(ot): add minified updated OT library and build:ot script

Signed-off-by: Erik Michelson <github@erik.michelson.eu>

public/vendor/ot/compress.sh

@@ -1,4 +1,4 @@
-uglifyjs --compress --mangle --output ot.min.js \
+yarn uglifyjs --compress --mangle --output ot.min.js \
 ./text-operation.js \
 ./selection.js \
 ./wrapped-operation.js \
@@ -7,4 +7,4 @@ uglifyjs --compress --mangle --output ot.min.js \
 ./codemirror-adapter.js \
 ./socketio-adapter.js \
 ./ajax-adapter.js \
-./editor-client.js
+./editor-client.js