feat: replace TOML input with YAML

README.md

@@ -8,12 +8,12 @@ Generates SVG QR codes from any text input.
 uv run svgqr "Text to encode"
 uv run svgqr -t "Text to encode" -o path/to/code.svg
 uv run svgqr -i values.txt
-uv run svgqr --toml values.toml
+uv run svgqr --yaml values.yaml
 ```
 
 Text can be passed positionally or with `-t`. Without `-o`, the program uses a
 safe, truncated form of the text as the SVG filename. Batch mode writes SVGs to
 `output/` and ignores `-o`.
 
-`--toml` accepts a flat mapping of output name to text. Standard TOML uses
-`name = "text"`; the documented `name: text` form is also accepted.
+`--yaml` accepts a flat mapping of output name to text, such as
+`name: text`.