Replace GH Table of Contents with more simple approach

[see7e]

Context

Actually the ToC was created compatible with GitHub, but since the HTML exported page was created this function seems not so userfull.

This issue is to update the format used by GH to the Obsidian format (either Wikilinks or Md style). As it will be converted during the export process is optional.
Other problem is that if the heading has links it'll be rendered broken. So this needs to be adressed also.

Current state

<details> <summary>Table of Contents 🔖</summary>

- [SOLID Design Principles](#solid-design-principles)
  - [S – Single Responsibility Principle (SRP)](#s--single-responsibility-principle-srp)
    - [Common Signs a Class Has More Than One Reason to Change](#common-signs-a-class-has-more-than-one-reason-to-change)
      - [Broader Implications](#broader-implications)
  - [O – Open/Closed Principle (OCP)](#o--openclosed-principle-ocp)
  - [L – Liskov Substitution Principle (LSP)](#l--liskov-substitution-principle-lsp)
    - [Supporting Points](#supporting-points)
  - [I – Interface Segregation Principle (ISP)](#i--interface-segregation-principle-isp)
  - [D – Dependency Inversion Principle (DIP)](#d--dependency-inversion-principle-dip)
- [References](#references)

</details>

Desired state

Table of Contents 🔖

- [[#The Serverless Database Connection Challenge|The Serverless Database Connection Challenge]]
- [[#Core Integration Patterns|Core Integration Patterns]]
	- [[#Core Integration Patterns#Direct Connection Pattern|Direct Connection Pattern]]

Note

To make the process easy try using the Table of Contents Plugin with the following configurations: