Sky has reported it was a registered Republican who took the shots:

https://news.sky.com/story/shots-fired-at-donald-trump-rally-as-former-president-rushed-off-stage-13177651

"The FBI has named the attack [sic] - shot dead by security forces - as 20-year-old Thomas Matthew Crooks, who according to state records was a registered Republican."

The shooter is dead, according to reports, along with one spectator, and others wounded, some critically. The bullet clipped Trump's ear, he claims. There was blood on his ear apparently. If those things are all true it's hard to see it as a deliberate near miss. It looks very much like someone tried to kill him.

It wouldn’t surprise me at all, not one little bit, that when they “find” the shooter…gasp…they’ll be a self proclaimed massive liberal.

Well again this is kind of jumping to conclusions. There's really no need to speculate preemptively on such events the very minute they are covered in the news. I feel like it's more responsible in general to wait and see more details and facts as the situation is investigated.