feat: ignore some messages from ghdl syntax reports

feat: add ediff copy both to C

feat: split ediff horizontally

chore: update theme

feat: configure org agenda basics

From Prot's video mostly.

fix: use plain ediff window setup

feat: use lexical binding in init.el

feat: add flymake ghdl backend

fix: show also warnings, fix two outstanding warnings

feat: rebind minibuffer-completion-help

Cannot type ? ...

feat: Make normal mode initial in comint mode

feat: Add dired-git-info

chore: Do not put Async Shell Command to popper

feat: Add projection for compile-multi

feat: Add sharper for executing dotnet command

feat: Add shell-command-x and other packages I tried (commented)

fix: Properly find namespace in root directory with csproj

fix: Properly find .NET namespace for a file

Looks up the csproj file, assumes project name is same as base of
csproj file. Then looks at the subdirectory of the project and sets
namespace by concatenating the name of the project with the subdirectory.

fix: eat keybindings, do not treat eat manual windows as eat

feat: switch from vterm to eat