Beancount syntax highlighting (#7389)

Release Notes:

- Added syntax highlighting for [Beancount](https://beancount.github.io)

Cargo.lock

@@ -8729,6 +8729,15 @@ dependencies = [
  "tree-sitter",
 ]
 
+[[package]]
+name = "tree-sitter-beancount"
+version = "2.2.0"
+source = "git+https://github.com/polarmutex/tree-sitter-beancount?rev=da1bf8c6eb0ae7a97588affde7227630bcd678b6#da1bf8c6eb0ae7a97588affde7227630bcd678b6"
+dependencies = [
+ "cc",
+ "tree-sitter",
+]
+
 [[package]]
 name = "tree-sitter-c"
 version = "0.20.6"
@@ -10369,6 +10378,7 @@ dependencies = [
  "toml",
  "tree-sitter",
  "tree-sitter-bash",
+ "tree-sitter-beancount",
  "tree-sitter-c",
  "tree-sitter-c-sharp",
  "tree-sitter-cpp",

Cargo.toml

@@ -141,6 +141,7 @@ time = { version = "0.3", features = ["serde", "serde-well-known"] }
 toml = "0.5"
 tree-sitter = { version = "0.20", features = ["wasm"] }
 tree-sitter-bash = { git = "https://github.com/tree-sitter/tree-sitter-bash", rev = "7331995b19b8f8aba2d5e26deb51d2195c18bc94" }
+tree-sitter-beancount = { git = "https://github.com/polarmutex/tree-sitter-beancount", rev = "da1bf8c6eb0ae7a97588affde7227630bcd678b6" }
 tree-sitter-c = "0.20.1"
 tree-sitter-c-sharp = { git = "https://github.com/tree-sitter/tree-sitter-c-sharp", rev = "dd5e59721a5f8dae34604060833902b882023aaf" }
 tree-sitter-cpp = { git = "https://github.com/tree-sitter/tree-sitter-cpp", rev = "f44509141e7e483323d2ec178f2d2e6c0fc041c1" }

crates/zed/Cargo.toml

@@ -108,6 +108,7 @@ thiserror.workspace = true
 tiny_http = "0.8"
 toml.workspace = true
 tree-sitter-bash.workspace = true
+tree-sitter-beancount.workspace = true
 tree-sitter-c-sharp.workspace = true
 tree-sitter-c.workspace = true
 tree-sitter-cpp.workspace = true

crates/zed/src/languages.rs

@@ -67,6 +67,7 @@ pub fn init(
     };
 
     language("bash", tree_sitter_bash::language(), vec![]);
+    language("beancount", tree_sitter_beancount::language(), vec![]);
     language(
         "c",
         tree_sitter_c::language(),

crates/zed/src/languages/beancount/config.toml

@@ -0,0 +1,3 @@
+name = "Beancount"
+path_suffixes = ["beancount"]
+brackets = [{ start = "\"", end = "\"", close = false, newline = false }]

crates/zed/src/languages/beancount/highlights.scm

@@ -0,0 +1,21 @@
+(comment) @comment
+(headline) @comment
+[
+    (payee)
+    (narration)
+    (string)
+] @string
+
+(number) @number
+(date) @function
+(currency) @constant
+(account) @identifier
+
+[
+    (option)
+    (include)
+    (open)
+    (balance)
+    (pad)
+    (close)
+] @keyword