feat(nvim): nvim.cmp -> blink.cmp

- Codeium made to work with help from blink.compat
- Blink added to lsp capabilities
- Catppuccin theme integration for blink

common/.config/nvim/lua/plugins/ui.lua

@@ -44,6 +44,7 @@ return {
                     },
 
                     -- These were disabled by default
+                    blink_cmp = true,
                     diffview = true,
                     fidget = true,
                     lsp_saga = true,