* Add openidconnect authentication demo
* use_atom_ref usage to have a read/write handle on the atom
* Use default
* Code rewrite to better reflect the authentication flow
* Use the env macro instead of the build.rs to load env variables
* Add env variables
* Remove unnecessary dependency
* Add env variables to the root workspace
* Update readme
* Bump openidconnect version
* Use props to pass the client to the child components
* Code clean up
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Co-authored-by: Truong Tan Dat <truongt@igbmc.fr>