docs: project: dc2677a: Add doc

[actorreno]

Adding documentation for DC2677A. Part of migration

PR Description

This PR adds the docs for the project DC2677A.

PR Type

• Bug fix (change that fixes an issue)
• New feature (change that adds new functionality)
• Breaking change (has dependencies in other repos or will cause CI to fail)

PR Checklist

• I have followed the code style guidelines
• I have performed a self-review of changes
• I have compiled all hdl projects and libraries affected by this PR
• I have tested in hardware affected projects, at least on relevant boards
• I have commented my code, at least hard-to-understand parts
• I have signed off all commits from this PR
• I have updated the documentation (wiki pages, ReadMe files, Copyright etc)
• I have not introduced new Warnings/Critical Warnings on compilation
• I have added new hdl testbenches or updated existing ones

[IuliaCMoldovan]

In this HDL documentation we won't upload pictures of the setup (that will be in the future in the system level documentation), so if you could please make sure that the jumper and switches settings are written in the documentation, and the pictures to be removed.

[actorreno]

v2:

• removed svg (pictures of setup) files not needed anymore

dc277a/index.rst:

• removed code showing system setup, made sure jumpers and switches are written