Dropped AI integration, inline diagnostics, orgmode completion

Keymaps:

- key binding for viewing git log of current file: <space>=l
- blink keybindings simplified, added orgmode as source

Plugins:
- folke todo comments disabled
- dropped all AI integration
- added tiny-inline-diagnostic for easier and(!) wrapped diagnostic
  messages
- added sqlua.ncim plugin to connect to SQL databases

lua/keybindings.lua

@@ -93,7 +93,7 @@ vim.keymap.set('n', '<space>mc', mywords.uhl_all, { desc = "Clear all highlights
 
 ------------------------------------------
 --
--- Some convenience keybindings
+-- Moving lines up and down
 --
 ------------------------------------------