pkgs(nixvim): Config neovim startup options

pkgs/nixvim/options.nix

@@ -1,2 +1,67 @@
 {...}: {
+  opts = {
+    autoindent = true;
+    autoread = true;
+    backspace = ["indent" "eol" "start"];
+    backup = false;
+
+    breakindent = true;
+    breakindentopt = "sbr";
+    showbreak = "↪";
+
+    cdhome = true;
+    cedit = "<C-F>";
+    cmdheight = 1;
+    completeopt = ["fuzzy" "menuone" "noselect" "popup"];
+    concealcursor = "v";
+    confirm = true;
+    cursorline = true;
+    diffopt = ["algorithm:minimal" "closeoff" "context:20" "followwrap" "internal" "linematch:40"];
+    errorbells = true;
+    expandtab = true;
+    exrc = true;
+    foldcolumn = "auto";
+    fsync = true;
+    gdefault = false;
+    helplang = ["zh" "en"];
+    history = 10000;
+    hlsearch = true;
+
+    ignorecase = true;
+    smartcase = true;
+
+    inccommand = "split";
+    list = true;
+    listchars = "tab:--→,trail:·,multispace: ,nbsp:⍽,space:·"; # eol:⏎
+    magic = true;
+    more = true;
+    mouse = "a";
+
+    number = true;
+    numberwidth = 2;
+    relativenumber = true;
+
+    scrollback = 100000;
+    scrolloff = 5;
+    shiftround = true;
+    shiftwidth = 2;
+    signcolumn = "auto";
+    smoothscroll = true;
+    splitbelow = true;
+    splitright = true;
+    startofline = true;
+    swapfile = false;
+    tabclose = "uselast";
+    tabstop = 2;
+    termguicolors = true;
+    undofile = true;
+    undolevels = 100000;
+    virtualedit = ["block" "onemore"];
+    whichwrap = "b,s,<,>";
+    wildmenu = true;
+    wildmode = ["full"];
+    wildoptions = ["fuzzy" "pum"];
+    winborder = "rounded";
+    wrap = true;
+  };
 }