feat: add support for yew-fmt

Should close #314 :)

README.md

@@ -316,6 +316,7 @@ You can view this list in vim with `:help conform-formatters`
 - [yamlfix](https://github.com/lyz-code/yamlfix) - A configurable YAML formatter that keeps comments.
 - [yamlfmt](https://github.com/google/yamlfmt) - yamlfmt is an extensible command line tool or library to format yaml files.
 - [yapf](https://github.com/google/yapf) - Yet Another Python Formatter.
+- [yew-fmt](https://github.com/schvv31n/yew-fmt) - Code formatter for the Yew framework.
 - [yq](https://github.com/mikefarah/yq) - YAML/JSON processor
 - [zigfmt](https://github.com/ziglang/zig) - Reformat Zig source into canonical form.
 - [zprint](https://github.com/kkinnear/zprint) - Formatter for Clojure and EDN.

doc/conform.txt

@@ -368,6 +368,7 @@ FORMATTERS                                                    *conform-formatter
 `yamlfmt` - yamlfmt is an extensible command line tool or library to format yaml
           files.
 `yapf` - Yet Another Python Formatter.
+`yew-fmt` - Code formatter for the Yew framework.
 `yq` - YAML/JSON processor
 `zigfmt` - Reformat Zig source into canonical form.
 `zprint` - Formatter for Clojure and EDN.

lua/conform/formatters/yew-fmt.lua

@@ -0,0 +1,11 @@
+-- yew-fmt is a fork of rustfmt
+local conf = vim.deepcopy(require("conform.formatters.rustfmt"))
+
+conf.meta = {
+  url = "https://github.com/schvv31n/yew-fmt",
+  description = "Code formatter for the Yew framework.",
+}
+
+conf.command = "yew-fmt"
+
+return conf