feat: add tcl code highlighting (#387)

Added TCL code highlighting.

Author: mfontanini

src/processing/code.rs

@@ -468,13 +468,15 @@ pub enum SnippetLanguage {
     Sql,
     Swift,
     Svelte,
+    Tcl,
     Terraform,
     Toml,
     TypeScript,
     Typst,
     Unknown(String),
     Xml,
     Yaml,
+    Verilog,
     Vue,
     Zig,
     Zsh,
@@ -537,12 +539,14 @@ impl FromStr for SnippetLanguage {
             "sql" => Sql,
             "svelte" => Svelte,
             "swift" => Swift,
+            "tcl" => Tcl,
             "terraform" => Terraform,
             "toml" => Toml,
             "typescript" | "ts" => TypeScript,
             "typst" => Typst,
             "xml" => Xml,
             "yaml" => Yaml,
+            "verilog" => Verilog,
             "vue" => Vue,
             "zig" => Zig,
             "zsh" => Zsh,

src/render/highlighting.rs

@@ -153,12 +153,14 @@ impl CodeHighlighter {
             Sql => "sql",
             Swift => "swift",
             Svelte => "svelte",
+            Tcl => "tcl",
             Terraform => "tf",
             Toml => "toml",
             TypeScript => "ts",
             Typst => "txt",
             // default to plain text so we get the same look&feel
             Unknown(_) => "txt",
+            Verilog => "v",
             Vue => "vue",
             Xml => "xml",
             Yaml => "yaml",