setup: add options

lua/core/options.lua

@@ -7,7 +7,7 @@
 vim.o.number = true
 -- You can also add relative line numbers, to help with jumping.
 --  Experiment for yourself to see if you like it!
--- vim.o.relativenumber = true
+vim.o.relativenumber = true
 
 -- Enable mouse mode, can be useful for resizing splits for example!
 vim.o.mouse = 'a'
@@ -64,9 +64,26 @@ vim.o.inccommand = 'split'
 vim.o.cursorline = true
 
 -- Minimal number of screen lines to keep above and below the cursor.
-vim.o.scrolloff = 10
+vim.o.scrolloff = 5
 
 -- if performing an operation that would fail due to unsaved changes in the buffer (like `:q`),
 -- instead raise a dialog asking if you wish to save the current file(s)
 -- See `:help 'confirm'`
 vim.o.confirm = true
+
+-- set linebreak to true to break lines according to word-boundary rather than last character
+vim.o.linebreak = true
+
+-- set tabs
+-- A tab character looks like 4 spaces
+vim.o.tabstop = 4
+-- Size of an indent
+vim.o.shiftwidth = 4
+-- Number of spaces tabs count for a while performing editing operations
+vim.o.softtabstop = 4
+-- Turn tabs into spaces
+vim.o.expandtab = true
+
+-- set spellchecking
+vim.o.spell = true
+vim.o.spelllang = 'en_us'