Add Metro syntax theme

Metro.tet

@@ -0,0 +1,30 @@
+[color_theme]
+
+background_color="ff25252a"
+base_type_color="ff4da941"
+brace_mismatch_color="ffff3333"
+breakpoint_color="33cccc66"
+caret_background_color="ff000000"
+caret_color="ffffffff"
+comment_color="ff767f8c"
+completion_background_color="ff2c2a32"
+completion_existing_color="21dfdfdf"
+completion_font_color="ffaaaaaa"
+completion_scroll_color="ffffffff"
+completion_selected_color="ff434244"
+current_line_color="ff1e1e23"
+engine_type_color="ffcf7d34"
+function_color="ffe36b48"
+keyword_color="ff668ad1"
+line_number_color="66aaaaaa"
+mark_color="66ff6666"
+member_variable_color="ffd16060"
+number_color="ffff9292"
+search_result_border_color="ff197219"
+search_result_color="ff0c3f0c"
+selection_color="ff333539"
+string_color="ffffc35a"
+symbol_color="ff9b859d"
+text_color="ffffffff"
+text_selected_color="ffffffff"
+word_highlighted_color="26cce5e5"

README.md

@@ -11,6 +11,7 @@ them.
 
 - Atom Dark
 - Gruvbox Dark
+- Metro
 - Monokai
 - One Dark
 - Solarized Dark