NeoVim clean and updated config

.config/nvim/lua/feline/solarized.lua

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+local colors = require('solarized.colors')
+
+local solarized = {
+  fg = colors.fg,
+  bg = colors.bg_alt,
+  black = colors.black,
+  skyblue = colors.paleblue,
+  cyan = colors.cyan,
+  green = colors.green,
+  oceanblue = colors.blue,
+  magenta = colors.magenta,
+  orange = colors.orange,
+  red = colors.red,
+  violet = colors.purple,
+  white = colors.white,
+  yellow = colors.yellow
+}
+
+return solarized

.config/nvim/lua/lspconfig/settings.lua

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+-- Mappings.
+-- See `:help vim.diagnostic.*` for documentation on any of the below functions
+local opts = { noremap=true, silent=true }
+vim.keymap.set('n', '<space>e', vim.diagnostic.open_float, opts)
+vim.keymap.set('n', '[d', vim.diagnostic.goto_prev, opts)
+vim.keymap.set('n', ']d', vim.diagnostic.goto_next, opts)
+vim.keymap.set('n', '<space>q', vim.diagnostic.setloclist, opts)
+
+-- Use an on_attach function to only map the following keys
+-- after the language server attaches to the current buffer
+local on_attach = function(client, bufnr)
+  -- Enable completion triggered by <c-x><c-o>
+  vim.api.nvim_buf_set_option(bufnr, 'omnifunc', 'v:lua.vim.lsp.omnifunc')
+
+  -- Mappings.
+  -- See `:help vim.lsp.*` for documentation on any of the below functions
+  local bufopts = { noremap=true, silent=true, buffer=bufnr }
+  vim.keymap.set('n', 'gD', vim.lsp.buf.declaration, bufopts)
+  vim.keymap.set('n', 'gd', vim.lsp.buf.definition, bufopts)
+  vim.keymap.set('n', 'K', vim.lsp.buf.hover, bufopts)
+  vim.keymap.set('n', 'gi', vim.lsp.buf.implementation, bufopts)
+  vim.keymap.set('n', '<C-k>', vim.lsp.buf.signature_help, bufopts)
+  vim.keymap.set('n', '<space>wa', vim.lsp.buf.add_workspace_folder, bufopts)
+  vim.keymap.set('n', '<space>wr', vim.lsp.buf.remove_workspace_folder, bufopts)
+  vim.keymap.set('n', '<space>wl', function()
+    print(vim.inspect(vim.lsp.buf.list_workspace_folders()))
+  end, bufopts)
+  vim.keymap.set('n', '<space>D', vim.lsp.buf.type_definition, bufopts)
+  vim.keymap.set('n', '<space>rn', vim.lsp.buf.rename, bufopts)
+  vim.keymap.set('n', '<space>ca', vim.lsp.buf.code_action, bufopts)
+  vim.keymap.set('n', 'gr', vim.lsp.buf.references, bufopts)
+  vim.keymap.set('n', '<space>f', vim.lsp.buf.formatting, bufopts)
+end
+
+-- Use a loop to conveniently call 'setup' on multiple servers and
+-- map buffer local keybindings when the language server attaches
+local servers = { 'pyright', 'sumneko_lua' }
+for _, lsp in pairs(servers) do
+  require('lspconfig')[lsp].setup {
+    on_attach = on_attach,
+    flags = {
+      -- This will be the default in neovim 0.7+
+      debounce_text_changes = 150,
+    }
+  }
+end

.config/nvim/lua/plugins.lua

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+return require('packer').startup(function()
+  use 'wbthomason/packer.nvim'
+
+  use 'nvim-lua/popup.nvim'
+
+  use {
+    'nvim-treesitter/nvim-treesitter',
+    run = ':TSUpdate'
+  }
+
+  use {'feline-nvim/feline.nvim', requires = 'kyazdani42/nvim-web-devicons'}
+
+  use {
+    "williamboman/nvim-lsp-installer",
+    "neovim/nvim-lspconfig",
+  }
+
+  use {
+    "nvim-neo-tree/neo-tree.nvim",
+    branch = "v2.x",
+    requires = {
+      "nvim-lua/plenary.nvim",
+      "kyazdani42/nvim-web-devicons",
+      "MunifTanjim/nui.nvim",
+      's1n7ax/nvim-window-picker'
+    }
+  }
+
+  use('mrjones2014/smart-splits.nvim')
+
+  use {'akinsho/bufferline.nvim', tag = "v2.*", requires = 'kyazdani42/nvim-web-devicons'}
+
+  use('windwp/nvim-autopairs')
+
+  use('lewis6991/gitsigns.nvim')
+
+end)