Add orgmode, replace nvimtree with oil, replace nvim-cmp with blink.cmp

[EnriqueVidal]

This pull request includes multiple changes across various shader files, Neovim configuration files, and Lua helper functions. The main themes of the changes are the addition of new shader files, updates to Neovim configurations, and improvements to Lua helper functions.

Shader Files:

• Added new shader file bar_spectrum.frag with configurations for bar values, window resolution, colors, and gradient colors.
• Added new shader file northern_lights.frag with configurations for bar values and window resolution.
• Added new shader file pass_through.vert with vertex data input and fragment coordinate output.

Neovim Configuration:

• Updated lazy-lock.json with new commits and added new plugins such as blink.cmp, lsp-progress.nvim, and statuscol.nvim.
• Modified lazy.lua to disable change detection notifications and import new plugins.
• Enhanced settings.lua to configure conceal levels and global statusline.
• Updated lsp.lua to change diagnostic signs, disable virtual text, and add a keymap to toggle diagnostics. [1] [2] [3]

Lua Helper Functions:

• Improved helpers.lua by adding new keymap functions, updating the augroups function, and enhancing the merge function.