fix(uplc): parser should accept single quote in var name and comments

crates/uplc/src/parser.rs

@@ -353,11 +353,11 @@ peg::parser! {
             }
 
         rule ident() -> String
-          = i:['a'..='z' | 'A'..='Z' | '0'..='9' | '_']+ {
+          = i:['a'..='z' | 'A'..='Z' | '0'..='9' | '_' | '\'']+ {
             String::from_iter(i)
           }
 
-        rule _ = [' ' | '\n']
+        rule _ = [' ' | '\n'] / "--" $([^ '\n']*) "\n"
     }
 }