Good to hear its underway...initially its all down to head space and rate of fermentation but when it get started you are correct it will pressure the head space within a few seconds...[emoji482][emoji106]
Every time you remove the air lock you will be back to square one...as previously stated it can take up to 48 hours with an uninterrupted batch but if the airlock has been off and pressure in the head space will have been lost...try to depress the lid slightly and watch for any movement in the...
The beer looks remarkably clear in the photo and at this stage you shouldn't really expect any foam on top of it...the beer will improve if you allow it to mature / condition for a few weeks then it'll be reading for bottling or kegging...share a picture of the fermentation vessel and it might...
I suggest having a look at the free app WORT i have used it a few times in the past and i believe it has everything you need to be getting on with...if you take the time to fill in all the details it will help to keep you organised on brew day...you just need to take the time and get used to it.