Add Taplo formatting for TOML files (#295)

See linebender/xilem#784 and
https://xi.zulipchat.com/#narrow/channel/419691-linebender/topic/Taplo.3A.20TOML.20formatting

Author: waywardmonkeys

.github/workflows/ci.yml

@@ -77,6 +77,14 @@ jobs:
       - name: cargo fmt
         run: cargo fmt --all --check
 
+      - name: Install Taplo
+        uses: uncenter/setup-taplo@09968a8ae38d66ddd3d23802c44bf6122d7aa991 # v1
+        with:
+          version: "0.9.3"
+
+      - name: Run taplo fmt
+        run: taplo fmt --check --diff
+
       - name: install ripgrep
         run: |
           sudo apt update

.taplo.toml

@@ -0,0 +1,11 @@
+# See https://taplo.tamasfe.dev/configuration/file.html
+# and https://taplo.tamasfe.dev/configuration/formatter-options.html
+
+[formatting]
+# Aligning comments with the largest line creates
+# diff noise when neighboring lines are changed.
+align_comments = false
+
+# Matches how rustfmt formats Rust code
+column_width = 100
+indent_string = "    "

fontique/Cargo.toml

@@ -23,10 +23,14 @@ icu_properties = ["dep:icu_properties"]
 unicode_script = ["dep:unicode-script"]
 # Enables support for system font backends
 system = [
-	"std",
-	"dep:windows", "dep:windows-core",
-	"dep:objc2-core-foundation", "dep:objc2-core-text", "dep:objc2-foundation",
-	"dep:fontconfig-cache-parser", "dep:roxmltree",
+    "std",
+    "dep:windows",
+    "dep:windows-core",
+    "dep:objc2-core-foundation",
+    "dep:objc2-core-text",
+    "dep:objc2-foundation",
+    "dep:fontconfig-cache-parser",
+    "dep:roxmltree",
 ]
 
 [dependencies]
@@ -42,13 +46,27 @@ icu_locid = "1.5.0"
 hashbrown = { workspace = true }
 
 [target.'cfg(target_os = "windows")'.dependencies]
-windows = { version = "0.58.0", features = ["implement", "Win32_Graphics_DirectWrite"], optional = true }
+windows = { version = "0.58.0", features = [
+    "implement",
+    "Win32_Graphics_DirectWrite",
+], optional = true }
 windows-core = { version = "0.58", optional = true }
 
 [target.'cfg(target_vendor = "apple")'.dependencies]
-objc2-foundation = { version = "0.3.0", optional = true, default-features = false, features = ["alloc", "NSArray", "NSEnumerator", "NSPathUtilities", "NSString"] }
-objc2-core-foundation = { version = "0.3.0", optional = true, default-features = false, features = ["CFBase"]  }
-objc2-core-text = { version = "0.3.0", optional = true, default-features = false, features = ["CTFont", "CTFontDescriptor"] }
+objc2-foundation = { version = "0.3.0", optional = true, default-features = false, features = [
+    "alloc",
+    "NSArray",
+    "NSEnumerator",
+    "NSPathUtilities",
+    "NSString",
+] }
+objc2-core-foundation = { version = "0.3.0", optional = true, default-features = false, features = [
+    "CFBase",
+] }
+objc2-core-text = { version = "0.3.0", optional = true, default-features = false, features = [
+    "CTFont",
+    "CTFontDescriptor",
+] }
 
 [target.'cfg(target_os = "linux")'.dependencies]
 fontconfig-cache-parser = { version = "0.2.0", optional = true }