feat: Sync complete config - Fish, Ghostty, Neovim Scratch

- Add missing Fish configs (direnv, ssh function)
- Add Tokyo Night theme for Ghostty
- Complete Neovim scratch config sync
- Rewrite install.sh for new structure
- Add comprehensive README.md

.config/nvim/lua/plugins/editor.lua

@@ -0,0 +1,67 @@
+-- ============================================================================
+-- Editor - Quality of Life Plugins
+-- ============================================================================
+
+return {
+  -- Auto pairs
+  {
+    'windwp/nvim-autopairs',
+    event = 'InsertEnter',
+    config = true,
+  },
+
+  -- Comment.nvim
+  {
+    'numToStr/Comment.nvim',
+    event = { 'BufReadPost', 'BufNewFile' },
+    dependencies = {
+      'JoosepAlviste/nvim-ts-context-commentstring',
+    },
+    config = function()
+      require('Comment').setup({
+        pre_hook = require('ts_context_commentstring.integrations.comment_nvim').create_pre_hook(),
+      })
+    end,
+  },
+
+  -- Surround
+  {
+    'kylechui/nvim-surround',
+    version = '*',
+    event = 'VeryLazy',
+    config = true,
+  },
+
+  -- Better escape
+  {
+    'max397574/better-escape.nvim',
+    event = 'InsertEnter',
+    config = function()
+      require('better_escape').setup({
+        mapping = { 'jk', 'jj' },
+        timeout = 200,
+      })
+    end,
+  },
+
+  -- Which-key (zeigt Keybindings)
+  {
+    'folke/which-key.nvim',
+    event = 'VeryLazy',
+    init = function()
+      vim.o.timeout = true
+      vim.o.timeoutlen = 300
+    end,
+    opts = {
+      -- Deine Leader-Gruppen
+      spec = {
+        { '<leader>f', group = 'Find' },
+        { '<leader>g', group = 'Git' },
+        { '<leader>h', group = 'Hunk' },
+        { '<leader>t', group = 'Toggle' },
+        { '<leader>c', group = 'Code' },
+        { '<leader>w', group = 'Workspace' },
+      },
+    },
+  },
+}