Color Schemes (#142)

* WIP: Color Schemes

* Import/export using color_schemes config

* Finish color scheme implementation

* Add color scheme rename

color-schemes/OneHalfDark.ron

@@ -0,0 +1,38 @@
+(
+    name: "OneHalfDark",
+    foreground: "#DCDFE4",
+    background: "#282C34",
+    cursor: "#FBFBFC",
+    bright_foreground: "#FBFBFC",
+    dim_foreground: "#A8A8A8",
+    normal: (
+        black: "#282C34",
+        red: "#E06C75",
+        green: "#98C379",
+        yellow: "#E5C07B",
+        blue: "#61AFEF",
+        magenta: "#C678DD",
+        cyan: "#56B6C2",
+        white: "#DCDFE4",
+    ),
+    bright: (
+        black: "#5D677A",
+        red: "#EE9397",
+        green: "#B6DE9B",
+        yellow: "#F4DFB8",
+        blue: "#94C9F8",
+        magenta: "#D89EE9",
+        cyan: "#74D2DE",
+        white: "#FBFBFC",
+    ),
+    dim: (
+        black: "#000000",
+        red: "#904A4F",
+        green: "#6F885F",
+        yellow: "#A68C5D",
+        blue: "#3E79A8",
+        magenta: "#855194",
+        cyan: "#467B82",
+        white: "#A8A8A8",
+    ),
+)