Color Schemes (#142)

* WIP: Color Schemes

* Import/export using color_schemes config

* Finish color scheme implementation

* Add color scheme rename

color-schemes/XTerm Light.ron

@@ -0,0 +1,38 @@
+(
+    name: "XTerm Light",
+    foreground: "#000000",
+    background: "#FFFFFF",
+    cursor: "#000000",
+    bright_foreground: "#7F7F7F",
+    dim_foreground: "#000000",
+    normal: (
+        black: "#000000",
+        red: "#CD0000",
+        green: "#00CD00",
+        yellow: "#CDCD00",
+        blue: "#0000EE",
+        magenta: "#CD00CD",
+        cyan: "#00CDCD",
+        white: "#E5E5E5",
+    ),
+    bright: (
+        black: "#7F7F7F",
+        red: "#FF0000",
+        green: "#00FF00",
+        yellow: "#FFFF00",
+        blue: "#5C5CFF",
+        magenta: "#FF00FF",
+        cyan: "#00FFFF",
+        white: "#FFFFFF",
+    ),
+    dim: (
+        black: "#000000",
+        red: "#691F18",
+        green: "#468742",
+        yellow: "#94952C",
+        blue: "#0B1D47",
+        magenta: "#7A1A7A",
+        cyan: "#288F8F",
+        white: "#AEAEAE",
+    ),
+)