fix(base): add new diff highlight groups

Author: mehalter

lua/astrotheme/groups/base.lua

@@ -123,21 +123,28 @@ local function callback(c, opts)
     SignColumn = { fg = c.none, bg = c.none },
 
     --------------------
-    --- Diagnostics
-    --------------------
+    --- Diff
+    --------------------
+    Added = { fg = c.syntax.green },
+    Removed = { fg = c.syntax.red },
+    Changed = { fg = c.syntax.orange },
+    DiffAdded = { fg = c.syntax.green }, -- NOTE: DEPRECATED IN v0.10
+    DiffRemoved = { fg = c.syntax.red }, -- NOTE: DEPRECATED IN v0.10
+    DiffChanged = { fg = c.syntax.orange }, -- NOTE: DEPRECATED IN v0.10
     DiffAdd = { bg = color.new(c.syntax.green):blend(base, 0.75):tohex() },
     DiffChange = { bg = color.new(c.syntax.yellow):blend(base, 0.75):tohex() },
     DiffDelete = { bg = color.new(c.syntax.red):blend(base, 0.75):tohex() },
     DiffText = { bg = color.new(c.syntax.yellow):blend(base, 0.7):tohex() },
-    DiffAdded = { fg = c.syntax.green },
-    DiffRemoved = { fg = c.syntax.red },
-    DiffChanged = { fg = c.syntax.blue },
     DiffOldFile = { fg = c.syntax.orange },
     DiffNewFile = { fg = c.syntax.green },
     DiffFile = { fg = c.syntax.blue },
     DiffLine = { fg = c.syntax.text }, -- NOTE: Find better color
     DiffIndexLine = { fg = c.syntax.cyan },
 
+    --------------------
+    --- Diagnostics
+    --------------------
+    ---
     ErrorMsg = { fg = c.syntax.red, bg = c.none },
     WarningMsg = { fg = c.ui.yellow, bg = c.none },
     Question = { fg = c.ui.purple, bg = c.none },