feat: presentation

doc/zelus.sublime-syntax

@@ -6,7 +6,7 @@ scope: source
 
 contexts:
   main:
-    - match: \b(val|let|in|where|rec|and|local)\b
+    - match: \b(type|val|let|in|where|rec|and|local)\b
       scope: keyword.control
 
     - match: \b(if|then|else|match|with)\b
@@ -18,7 +18,7 @@ contexts:
     - match: \b(period|up|assert|der|init|reset|present|last|fby|pre)\b
       scope: keyword.control
 
-    - match: \b(float|int)\b
+    - match: \b(float|int|bool)\b
       scope: entity.name.type
 
     - match: \b[0-9]*(\.[0-9]+)?\b