fix(indent-blankline): correct file name so that it loads

Author: A-Lamia

lua/astrotheme/groups/plugins/indent-blankline.lua

@@ -0,0 +1,11 @@
+local function callback()
+  return {
+    IndentBlanklineChar = { fg = C.ui.none_text },
+    IndentBlanklineContextStart = { fg = C.ui.text_active, underline = true },
+    IndentBlanklineContextChar = { fg = C.ui.text },
+    IndentBlanklineSpaceCharBlankline = { fg = C.ui.none_text },
+    IndentBlanklineSpaceshar = { fg = C.ui.none_text },
+  }
+end
+
+return callback