To view any GLB(.glb) files which are present in the Repositories' "models" folder, just paste the path like this... (models/Parrot.glb) || (models/Stork.glb) || (models/Flamingo.glb)
To view files(.glb) that are absent in this Repo., just download the whole Repo. and put your selected file(.glb) in the 'models' folder and input the path as shown below (in the input field) :
https://ravensoni.github.io/.glb-file-viewer/threeJSTemplate10_VIEW/index.html