Mako patch for adding left-right anchors

anchor.diff

diff --git a/config.c b/config.c
index 6d68205..2423dbf 100644
--- a/config.c
+++ b/config.c
@@ -597,6 +597,16 @@ static bool apply_style_option(struct mako_style *style, const char *name,
 				ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT;
 		} else if (strcmp(value, "center") == 0) {
 			style->anchor = 0;
+		} else if (strcmp(value, "left-right") == 0) {
+			style->anchor = ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT |
+				ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT;
+		} else if (strcmp(value, "left-right-top") == 0) {
+			style->anchor = ZWLR_LAYER_SURFACE_V1_ANCHOR_RIGHT |
+				ZWLR_LAYER_SURFACE_V1_ANCHOR_LEFT |
+                                ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP;
+		} else if (strcmp(value, "top-bottom") == 0) {
+			style->anchor = ZWLR_LAYER_SURFACE_V1_ANCHOR_BOTTOM |
+				ZWLR_LAYER_SURFACE_V1_ANCHOR_TOP;
 		} else {
 			return false;
 		}