This function checks if a specified package is installed. If the package is not installed,
it installs the package from GitHub using the remotes package, and then loads it into the R session.
Value
This function does not return a value. It is called for its side effect of loading or installing the package.
Details
The function first checks if the package is available in the current session using requireNamespace.
If the package is not installed, it installs it from the specified GitHub repository using remotes::install_github,
and then loads the package using library.
