feat: Added a Tokyonight for ST terminal (work on 0.9ver) (#262)

* Added a Tokyonight for ST terminal (work on 0.9ver)

* fix README.md

extras/st/tokyonight_day.h

@@ -0,0 +1,39 @@
+/* Terminal colors (16 first used in escape sequence) */
+static const char *colorname[] = {
+    /* 8 normal colors */
+    "#e9e9ed",
+    "#f52a65",
+    "#587539",
+    "#8c6c3e",
+    "#2e7de9",
+    "#9854f1",
+    "#007197",
+    "#6172b0",
+
+    /* 8 bright colors */
+    "#a1a6c5",
+    "#f52a65",
+    "#587539",
+    "#8c6c3e",
+    "#2e7de9",
+    "#9854f1",
+    "#007197",
+    "#3760bf",
+
+    [255] = 0,
+
+    /* more colors can be added after 255 to use with DefaultXX */
+    "#3760bf",     
+    "#99a7df",
+    "#3760bf", /* default foreground colour */
+    "#e1e2e7", /* default background colour */
+};
+
+/*
+ * Default colors (colorname index)
+ * foreground, background, cursor, reverse cursor
+ */
+unsigned int defaultfg = 258;
+unsigned int defaultbg = 259;
+unsigned int defaultcs = 256;
+static unsigned int defaultrcs = 257;