add flutter plugin and config

lua/plugins/flutter.lua

@@ -0,0 +1,66 @@
+require("flutter-tools").setup {
+    ui = {
+        border = "rounded",
+        notification_style = 'native'
+    },
+    decorations = {
+        statusline = {
+            app_version = false,
+            device = false,
+            project_config = false,
+        }
+    },
+    debugger = {
+        enabled = false,
+        run_via_dap = false,
+        exception_breakpoints = {},
+        --register_configurations = function(paths)
+        --  require("dap").configurations.dart = {
+        --    <put here config that you would find in .vscode/launch.json>
+        --  }
+        --end,
+    },
+    flutter_path = "/usr/bin/flutter",
+    flutter_lookup_cmd = nil,
+    root_patterns = { ".git", "pubspec.yaml" },
+    fvm = false,
+    widget_guides = {
+        enabled = false,
+    },
+    closing_tags = {
+        highlight = "Comment",
+        prefix = "/ ",
+        enabled = true,
+    },
+    dev_log = {
+        enabled = true,
+        notify_errors = false,
+        open_cmd = "tabedit",
+    },
+    dev_tools = {
+        autostart = false,
+        auto_open_browser = false,
+    },
+    outline = {
+        open_cmd = "30vnew",
+        auto_open = false,
+    },
+    lsp = {
+        color = {
+            enabled = false,
+            background = false,
+            background_color = nil,
+            foreground = false,
+            virtual_text = false,
+            virtual_text_str = "■",
+        },
+        settings = {
+            showTodos = true,
+            completeFunctionCalls = true,
+            -- analysisExcludedFolders = { "<path-to-flutter-sdk-packages>" },
+            renameFilesWithClasses = "prompt",
+            enableSnippets = true,
+            updateImportsOnRename = true,
+        }
+    }
+}

lua/plugins/init.lua

@@ -81,6 +81,13 @@ require('packer').startup(function()
     -- Misc
     use { 'jbyuki/venn.nvim' } -- ascii diagrams
     use { 'hashivim/vim-terraform' }
+    use {
+        'akinsho/flutter-tools.nvim',
+        requires = {
+            'nvim-lua/plenary.nvim',
+            'stevearc/dressing.nvim', -- optional for vim.ui.select
+        },
+    }
 end)
 
 require('plugins.cmp')
@@ -89,3 +96,4 @@ require('plugins.neogit')
 require('plugins.oil')
 require('plugins.telescope')
 require('plugins.venn')
+require("plugins.flutter")