docs(spelling): Add codespell config + github action, run and fix a good number of typos (#3645)

platform/core/src/utils/objectPath.js

@@ -6,7 +6,7 @@ export class ObjectPath {
    * @param path {String} A string representing the property to be set, e.g. "user.study.series.timepoint".
    * @param value {Any} The value of the property that will be set.
    * @return {Boolean} Returns "true" on success, "false" if any intermediate component of the supplied path
-   * ... is not a valid Object, in which case the property cannot be set. No excpetions are thrown.
+   * ... is not a valid Object, in which case the property cannot be set. No exceptions are thrown.
    */
   static set(object, path, value) {
     let components = ObjectPath.getPathComponents(path),