One of the biggest mistakes a new guitarist can make at the start of their musical career, whether for profit or pleasure is to go out and look for or buy a compendium book of six thousand chord shapes and all the variations and permutations that are involved.
You will instantly be overwhelmed with way too much information and thoughts of dread at the amount of time and effort involved in what you want to achieve. Learning all those shapes and fingerings is a massive undertaking and you will never finish it anyway.
Most musicians seem to make the assumption that they have to know all the music before they can create any for themselves. Nothing could be further from the truth, you do not have to learn all of those chords before you can start to play the guitar or any other instrument for that matter.
You must have heard about songwriters who have created songs with only three chords, the Beatles for instance. Thousands of songs have been written with 3 chords, so for the time being, three chords is all you are going to need to concentrate on. You will make much better progress by learning familiar 3 chord progressions and familiarising yourself with the...