Module development and code questions

Hello.

Edit: Sorry if this is a duplicate post. My previous forum post disappeared somehow!!

Hello! I'm a bit new to Drupal modules and plugins, and am still wrapping my head around the whole module/plugin concept. I've dabbled a bit and I think I'm ready to dive in. However, I can't seem to find the best entry point for what I am trying to do. In a nutshell, I want to add a bit of functionality to the UI Patterns module here. Let's take the following scenario:

Hello! I'm a bit new to Drupal modules and plugins, and am still wrapping my head around the whole module/plugin concept. I've dabbled a bit and I think I'm ready to dive in. However, I can't seem to find the best entry point for what I am trying to do. In a nutshell, I want to add a bit of functionality to the UI Patterns module here. Let's take the following scenario:

1. I've created a new paragraph type in the UI called My Test

2. I've added 3 fields to the My Test paragraph:

Been banging my head on this for 2 days and hoping to get someone smarter than me to help!

I set up a migration module to migrate a json feed from a url to a custom content type.  The json has lake information for multiple lakes grouped by lake.  I am only interested in the data for one of the lakes.  When I run my migration, 15 objects process and 15 fail. 

Hey. I can't install the library. I downloaded version 1.0 and put it like this.
project\libraries\geshi\geshi.php

But for some reason it does not work.

I urgently need to have this website running for my employer.

Please note I have no understanding of website development, other than the basic HTML/CSS I have taught myself over the last couple months.

I managed to build a functioning website which was almost ready to go public, but I was told I needed to optimise it as loading time was very slow. A quick bit of research told me part of my slow loading time was that I needed to eliminate render-blocking resources, as well as CSS compression etc.