feat: add markdown headers for treesitter

lua/neogruber/groups.lua

@@ -293,6 +293,18 @@ M.setup = function()
 		['@storageclass'] = { link = 'StorageClass' },
 		['@variable.builtin'] = { fg = c.wisteria },
 		['@variable'] = { fg = c.bg6 },
+		['@text.title.1.marker.markdown'] = { link = 'markdownH1' },
+		['@text.title.2.marker.markdown'] = { link = 'markdownH2' },
+		['@text.title.3.marker.markdown'] = { link = 'markdownH3' },
+		['@text.title.4.marker.markdown'] = { link = 'markdownH4' },
+		['@text.title.5.marker.markdown'] = { link = 'markdownH5' },
+		['@text.title.6.marker.markdown'] = { link = 'markdownH6' },
+		['@text.title.1.markdown'] = { link = 'markdownH1' },
+		['@text.title.2.markdown'] = { link = 'markdownH2' },
+		['@text.title.3.markdown'] = { link = 'markdownH3' },
+		['@text.title.4.markdown'] = { link = 'markdownH4' },
+		['@text.title.5.markdown'] = { link = 'markdownH5' },
+		['@text.title.6.markdown'] = { link = 'markdownH6' },
 		['@text.title'] = { link = 'Title' },
 		['@text.uri'] = { link = 'Underlined' },
 		['@text.todo'] = { link = 'Todo' },
@@ -520,6 +532,8 @@ M.setup = function()
 		HopNextKey1 = { fg = c.light_blue },
 		HopNextKey2 = { fg = c.wisteria1 },
 		HopUnmatched = { fg = c.bg5 },
+
+		BufferManagerModified = { fg = c.yellow },
 	}
 
 	--[[ for group, hl in pairs(config.overrides) do