cleaned up code, using &str instead of RawStr

Signed-off-by: Gunwant Jain <mail@wantguns.dev>

src/pretty.rs

@@ -0,0 +1,18 @@
+use std::fs;
+
+use syntect::highlighting::ThemeSet;
+use syntect::html::highlighted_html_for_string;
+use syntect::parsing::SyntaxSet;
+
+pub fn get_pretty_body(path: &String, ext: &String) -> String {
+    let ss = SyntaxSet::load_defaults_newlines();
+    let theme = ThemeSet::get_theme("themes/ayu_dark.tmTheme").unwrap();
+
+    let content = fs::read_to_string(path).unwrap();
+    let syntax = ss
+        .find_syntax_by_token(ext)
+        .unwrap_or_else(|| ss.find_syntax_plain_text());
+    let html = highlighted_html_for_string(&content, &ss, syntax, &theme);
+
+    html
+}