Fix angular universal server side rendering issue #77

[fadelguy]

What kind of change does this PR introduce? (check one with "x")

[x] Bugfix
[ ] Feature
[ ] Code style update (formatting, local variables)
[ ] Refactoring (no functional changes, no api changes)
[ ] Build related changes
[ ] CI related changes
[ ] Other... Please describe:

What is the current behavior? (You can also link to an open issue here)
document is not defined in angular universal server side

What is the new behavior?
no errors.

Does this PR introduce a breaking change? (check one with "x")

[ ] Yes
[x] No

[MatejBivr]

Hi, any updates on when this will be merged?

[zolakt]

Any updates?
I see no workaround since it crashes as soon as you import the module

[Enslev]

Has this PR been forgotten?
Any updates on if this bug will be fixed?

[un1c0rnr1d3r]

SSR support was added in PR #159.