Updated the theme

Signed-off-by: Valentin Popov <valentin@popov.link>

lua/plugins/lualine.lua

@@ -0,0 +1,10 @@
+require('lualine').setup {
+  sections = {
+    lualine_a = { 'mode' },
+    lualine_b = { 'branch', 'diff' },
+    lualine_c = { 'filename' },
+    lualine_x = { 'encoding', 'filetype', 'filesize' },
+    lualine_y = { 'progress' },
+    lualine_z = { 'location' },
+  }
+}