refactor(neovim): Convert file-autocmd to after-ftplugin

- Markdown, gitcommit, text: `lua/shared/text_settings.lua`
- Javascript, Typescript, React, Vue:
  `lua/shared/javascript_settings.lua`
- `after/ftplugin` files that `require` the above 2 shared configs

common/.config/nvim/lua/config/filetype-based-keymaps.lua

@@ -1,57 +0,0 @@
--- Enable keymaps that are specific to only a certain LSP
-vim.api.nvim_create_autocmd("FileType", {
-    group = vim.api.nvim_create_augroup("keymaps-javascript", { clear = true }),
-    pattern = { "javascript", "javascriptreact", "javascript.jsx", "typescript", "typescriptreact", "typescript.tsx", "vue", "svelte", "astro" },
-    callback = function()
-        vim.keymap.set({ "n", "v" }, "<leader>co", function()
-            vim.lsp.buf.code_action({
-                apply = true,
-                context = {
-                    only = { "source.organizeImports.ts" },
-                    diagnostics = {},
-                },
-            })
-        end, { desc = "Code: Typescript: Organize Imports" })
-        vim.keymap.set({ "n", "v" }, "<leader>cO", function()
-            vim.lsp.buf.code_action({
-                apply = true,
-                context = {
-                    only = { "source.removeUnused.ts" },
-                    diagnostics = {},
-                },
-            })
-        end, { desc = "Code: Typescript: Remove Unused Imports" })
-    end,
-    nested = true,
-})
-
--- Enable spell check on markdown and text files
-vim.api.nvim_create_autocmd("FileType", {
-    group = vim.api.nvim_create_augroup("spell_check_text_files", { clear = true }),
-    pattern = { "markdown", "gitcommit", "text" },
-    callback = function()
-        vim.opt.spell = true
-    end,
-    nested = true,
-})
-
-vim.api.nvim_create_autocmd("FileType", {
-    group = vim.api.nvim_create_augroup("markdown-keymaps", { clear = true }),
-    pattern = { "markdown", "gitcommit", "text" },
-    callback = function()
-        vim.keymap.set("v", "<leader>ml", function()
-            -- Save visually selected text to register 'v'
-            vim.cmd('normal! "vy')
-            -- Delete the selected text
-            vim.cmd("normal! gvd")
-            -- Get the content of the system clipboard
-            local clipboard_content = vim.fn.getreg("+")
-            -- Insert the markdown link
-            local link = string.format("[%s](%s)", vim.fn.getreg("v"), clipboard_content)
-            vim.api.nvim_put({ link }, "c", false, true)
-            -- Move cursor inside the square brackets
-            vim.cmd("normal! F[l")
-        end, { desc = "Markdown: Make link" })
-    end,
-    nested = true,
-})