I did way too much in this one commit

Vimconf2021 inspired me a lot and I'm not done yet

lua/settings/init.lua

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+-- settings.lua
+
+local settings = {}
+
+function settings.initMisc()
+	vim.opt.backup = false
+	vim.opt.undodir = '/Users/fschmidt/.cache/nvim/undodir'
+	vim.opt.swapfile = false
+	vim.opt.undofile = true
+	vim.opt.smartcase = true
+	vim.opt.ignorecase = true
+	vim.opt.laststatus = 2
+	vim.opt.hidden = true
+	vim.opt.hlsearch = false
+	vim.opt.incsearch = true
+	vim.opt.scrolloff = 12
+	vim.opt.sidescrolloff = 8
+	vim.opt.mouse = 'a'
+	vim.opt.autochdir = true
+	vim.opt.clipboard = 'unnamed,unnamedplus'
+	vim.opt.number = true
+	vim.opt.wrap = false
+	vim.opt.signcolumn = 'yes:2'
+	vim.opt.list = true
+	vim.opt.listchars = 'tab:▸ ,trail:·'
+	vim.opt.shiftwidth = 4
+	vim.opt.tabstop = 4
+	vim.opt.softtabstop = 4
+	vim.opt.expandtab = false
+	vim.opt.autoindent = true
+end
+
+function settings.initVimWiki()
+	vim.g.vimwiki_list = {{path = '~/Documents/Buch/wiki', syntax = 'markdown', ext = '.md'}}
+end
+
+function settings.init()
+	settings.initMisc()
+	settings.initVimWiki()
+	require'settings.theme'.init()
+	require'settings.lsp'.init()
+end
+
+return settings

lua/settings/lsp.lua

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+-- LSP Config
+
+local lsp = {}
+
+local on_attach = function(_, bufnr)
+	local function buf_set_keymap(...) vim.api.nvim_buf_set_keymap(bufnr, ...) end
+	local function buf_set_option(...) vim.api.nvim_buf_set_option(bufnr, ...) end
+
+	-- Enable completion triggered by <c-x><c-o>
+	buf_set_option('omnifunc', 'v:lua.vim.lsp.omnifunc')
+
+	local opts = { noremap=true, silent=true }
+
+	buf_set_keymap('n', 'gD', '<cmd>lua vim.lsp.buf.declaration()<CR>', opts)
+	buf_set_keymap('n', 'gd', '<cmd>lua vim.lsp.buf.definition()<CR>', opts)
+	buf_set_keymap('n', 'K', '<cmd>lua vim.lsp.buf.hover()<CR>', opts)
+	buf_set_keymap('n', 'gi', '<cmd>lua vim.lsp.buf.implementation()<CR>', opts)
+	buf_set_keymap('n', '<C-k>', '<cmd>lua vim.lsp.buf.signature_help()<CR>', opts)
+	buf_set_keymap('n', '<leader>wa', '<cmd>lua vim.lsp.buf.add_workleader_folder()<CR>', opts)
+	buf_set_keymap('n', '<leader>wr', '<cmd>lua vim.lsp.buf.remove_workleader_folder()<CR>', opts)
+	buf_set_keymap('n', '<leader>wl', '<cmd>lua print(vim.inspect(vim.lsp.buf.list_workleader_folders()))<CR>', opts)
+	buf_set_keymap('n', '<leader>D', '<cmd>lua vim.lsp.buf.type_definition()<CR>', opts)
+	buf_set_keymap('n', '<leader>rn', '<cmd>lua vim.lsp.buf.rename()<CR>', opts)
+	buf_set_keymap('n', '<leader>ca', '<cmd>lua vim.lsp.buf.code_action()<CR>', opts)
+	buf_set_keymap('n', 'gr', '<cmd>lua vim.lsp.buf.references()<CR>', opts)
+	buf_set_keymap('n', '<leader>e', '<cmd>lua vim.lsp.diagnostic.show_line_diagnostics()<CR>', opts)
+	buf_set_keymap('n', '[d', '<cmd>lua vim.lsp.diagnostic.goto_prev()<CR>', opts)
+	buf_set_keymap('n', ']d', '<cmd>lua vim.lsp.diagnostic.goto_next()<CR>', opts)
+	buf_set_keymap('n', '<leader>q', '<cmd>lua vim.lsp.diagnostic.set_loclist()<CR>', opts)
+	buf_set_keymap('n', '<leader>f', '<cmd>lua vim.lsp.buf.formatting()<CR>', opts)
+end
+
+function lsp.init()
+	local lsp_installer = require'nvim-lsp-installer'
+
+	lsp_installer.on_server_ready(function(server)
+		local opts = {}
+		if server.name == 'sumneko_lua' then
+			opts.settings = {
+				Lua = {
+					diagnostics = {
+						globals = { 'vim' }
+					}
+				}
+			}
+		end
+		opts.on_attach = on_attach
+		opts.flags = {
+		  debounce_text_changes = 150,
+		}
+		server:setup(opts)
+	end)
+end
+
+return lsp

lua/settings/theme.lua

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+-- Theming
+
+local theme = {}
+
+function theme.initFont()
+	vim.opt.guifont = 'Source Code Pro for Powerline'
+end
+
+function theme.initStatusline()
+	require'lualine'.setup {
+		options = {
+			theme = 'onedark'
+		}
+	}
+end
+
+function theme.initBufferline()
+	local bufferline = require'bufferline'
+	bufferline.setup()
+end
+
+function theme.initColorscheme()
+	vim.g.limelight_conceal_ctermfg = 'gray'
+	vim.cmd'colorscheme darcula-solid'
+	vim.cmd'set termguicolors'
+	vim.opt.syntax = 'on'
+end
+
+function theme.init()
+	theme.initFont()
+	theme.initStatusline()
+	theme.initBufferline()
+	theme.initColorscheme()
+end
+
+return theme