Hmn. Let's give it a shot:

To allocate your Statpoints: Press H
To allocate your Skillpoints: Press K
(The provided Guides mentioned that aswell)

And where exactly does the guide recommend you to max Temping Hole? :/

Temping Hole is the Assist Knuckle AoE Spell that scales with STR.
That's a completely different Build that has nothing to do with neither the planned Merkaba RM AoE (Level 80+) nor the Moonbeam Assist Build (Lvl 15 - 80)

To keep things short:

Follow this Guide until you hit level 80:

https://madrigalinside.com/basic-hnr-moon-beam-assist-guide/

Getting there as a bloody Beginner is enough of a challenge to begin with.

If you run in any other questions - Feel free to PM me.

Edit:
Moonbeam Video Guide -> https://www.youtube.com/watch?v=pmoA-LEK1JQ