neovim: move most of files to after/plugin dir

neovim/.config/nvim/after/plugin/treesitter.lua

@@ -0,0 +1,41 @@
+require("nvim-treesitter.configs").setup({
+  ensure_installed = {
+    "bash",
+    "c",
+    "cmake",
+    "comment",
+    "cpp",
+    "css",
+    "dockerfile",
+    "go",
+    "gomod",
+    "graphql",
+    "html",
+    "javascript",
+    "jsdoc",
+    "json",
+    "jsonc",
+    "lua",
+    "make",
+    "markdown",
+    "prisma",
+    "python",
+    "rust",
+    "scss",
+    "svelte",
+    "toml",
+    "tsx",
+    "typescript",
+    "vim",
+    "yaml",
+  },
+  highlight = {
+    enable = true,
+  },
+  context_commentstring = {
+    enable = true,
+  },
+  autotag = {
+    enable = true,
+  },
+})