Deleted a bunch of unneeded files

.config/nvim/lua/plugins/rustaceanvim.lua

@@ -3,6 +3,42 @@ return {
     version = '^5',
     lazy = false, -- already lazy
     init = function()
-        require('rustaceanvim')
+        ---@type RustaceanOpts
+        vim.g.rustaceanvim = {
+            ---@type RustaceanToolsOpts
+            tools = {
+                float_win_config = {
+                    border = 'rounded',
+                },
+            },
+            ---@type RustaceanLspClientOpts
+            server = {
+                on_attach = function(_, bufnr)
+                    local keymaps = {
+                        { { 'n', 'i' }, '<M-Enter>', '<cmd>RustLsp codeAction<cr>', { desc = 'Code Action' } },
+                    }
+
+                    for _, keymap in ipairs(keymaps) do
+                        local modes = keymap[1]
+                        local lhs = keymap[2]
+                        local rhs = keymap[3]
+                        local opts = keymap[4]
+                        opts.buffer = bufnr
+
+                        vim.keymap.set(modes, lhs, rhs, opts)
+                    end
+                end,
+                default_settings = {
+                    ['rust-analyzer'] = {
+                        semanticHighlighting = {
+                            operator = { specialization = { enable = true } },
+                            punctuation = { enable = true, specialization = { enable = true } },
+                        },
+                    },
+                },
+            },
+            ---@type RustaceanDapOpts
+            dap = {},
+        }
     end,
 }