ci update for docs

Author: SanjayJohnson02

.github/workflows/docs.yml

@@ -17,7 +17,7 @@ jobs:
         with:
           version: '1.9'
       - name: Install dependencies
-        run: julia --project=docs/ -e 'using Pkg; Pkg.Registry.update(); Pkg.develop(PackageSpec(path=pwd())); Pkg.instantiate()'
+        run: julia --project=docs/ -e 'using Pkg; Pkg.Registry.update(); Pkg.develop(PackageSpec(path=pwd())); Pkg.add(["Documenter", "DocumenterCitations", "Literate"]); Pkg.instantiate()'
       - name: Build and deploy
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} # If authenticating with GitHub Actions token