Added a lot more syntax files (#3)

* Added ct, git, glsl, json, pascal, sol, and text

* ct

* \n

* Added dart, keymap, lily, mail, ocaml, r, and rest

syntax_files/r.yaml

@@ -0,0 +1,12 @@
+filetype: r
+
+detect:
+    filename: "\\.(r|R)$"
+
+rules:
+    - statement: "\\b(break|else|for|function|if|in|next|repeat|return|while)\\b"
+    - constant: "\\b(TRUE|FALSE|NULL|Inf|NaN|NA|NA_integer_|NA_real_|NA_complex_|NA_character_)\\b"
+    - comment:
+        start: "#"
+        end: "$"
+        rules: []