Color Schemes (#142)

* WIP: Color Schemes

* Import/export using color_schemes config

* Finish color scheme implementation

* Add color scheme rename

color-schemes/gruvbox-dark.ron

@@ -0,0 +1,38 @@
+(
+    name: "gruvbox-dark",
+    foreground: "#EBDBB2",
+    background: "#282828",
+    cursor: "#EBDBB2",
+    bright_foreground: "#EBDBB2",
+    dim_foreground: "#C0B28D",
+    normal: (
+        black: "#282828",
+        red: "#CC241D",
+        green: "#98971A",
+        yellow: "#D79921",
+        blue: "#458588",
+        magenta: "#B16286",
+        cyan: "#689D6A",
+        white: "#A89984",
+    ),
+    bright: (
+        black: "#928374",
+        red: "#FB4934",
+        green: "#B8BB26",
+        yellow: "#FABD2F",
+        blue: "#83A598",
+        magenta: "#D3869B",
+        cyan: "#8EC07C",
+        white: "#EBDBB2",
+    ),
+    dim: (
+        black: "#020202",
+        red: "#7F2C24",
+        green: "#6F6F29",
+        yellow: "#A07732",
+        blue: "#3A5A5C",
+        magenta: "#724D5D",
+        cyan: "#547055",
+        white: "#747474",
+    ),
+)