style(init): Modularize entire init.lua

Now each plugin is in it's own seperate file that returns the plugin and
it's configs. This makes it simpler for me apply lazy loading to this
config.

Settings, Keymaps, Yank-highlight are inside kickstart directory within
their seperate files.

lua/kickstart/plugins/nvim-treesitter.lua

@@ -0,0 +1,80 @@
+return {
+  -- Highlight, edit, and navigate code
+  'nvim-treesitter/nvim-treesitter',
+  dependencies = {
+    'nvim-treesitter/nvim-treesitter-textobjects',
+  },
+  build = ':TSUpdate',
+  config = function()
+    require 'nvim-treesitter.install'.compilers = { 'zig' }
+
+    -- [[ Configure Treesitter ]]
+    -- See `:help nvim-treesitter`
+    -- Defer Treesitter setup after first render to improve startup time of 'nvim {filename}'
+    vim.defer_fn(function()
+      require('nvim-treesitter.configs').setup {
+        -- Add languages to be installed here that you want installed for treesitter
+        ensure_installed = { 'c', 'cpp', 'go', 'lua', 'python', 'rust', 'tsx', 'javascript', 'typescript', 'vimdoc', 'vim', 'bash', 'markdown', 'html', 'css' },
+
+        -- Autoinstall languages that are not installed. Defaults to false (but you can change for yourself!)
+        auto_install = false,
+
+        highlight = { enable = true },
+        indent = { enable = true },
+        incremental_selection = {
+          enable = true,
+          keymaps = {
+            init_selection = '<c-space>',
+            node_incremental = '<c-space>',
+            scope_incremental = '<c-s>',
+            node_decremental = '<M-space>',
+          },
+        },
+        textobjects = {
+          select = {
+            enable = true,
+            lookahead = true, -- Automatically jump forward to textobj, similar to targets.vim
+            keymaps = {
+              -- You can use the capture groups defined in textobjects.scm
+              ['aa'] = '@parameter.outer',
+              ['ia'] = '@parameter.inner',
+              ['af'] = '@function.outer',
+              ['if'] = '@function.inner',
+              ['ac'] = '@class.outer',
+              ['ic'] = '@class.inner',
+            },
+          },
+          move = {
+            enable = true,
+            set_jumps = true, -- whether to set jumps in the jumplist
+            goto_next_start = {
+              [']m'] = '@function.outer',
+              [']]'] = '@class.outer',
+            },
+            goto_next_end = {
+              [']M'] = '@function.outer',
+              [']['] = '@class.outer',
+            },
+            goto_previous_start = {
+              ['[m'] = '@function.outer',
+              ['[['] = '@class.outer',
+            },
+            goto_previous_end = {
+              ['[M'] = '@function.outer',
+              ['[]'] = '@class.outer',
+            },
+          },
+          swap = {
+            enable = true,
+            swap_next = {
+              ['<leader>a'] = '@parameter.inner',
+            },
+            swap_previous = {
+              ['<leader>A'] = '@parameter.inner',
+            },
+          },
+        },
+      }
+    end, 0)
+  end,
+}