Merge pull request #70 from qryxip/comment-to-cargo-config

Add a comment to `.cargo/config.toml`

Author: qryxip

.cargo/config.toml

@@ -1,2 +1,8 @@
 [build]
+# This works both on local `cargo doc` and on docs.rs because we don't have any `normal` dependency.
+# In most cases, `package.metadata.docs.rs` is recommended.
+#
+# See also:
+# - https://docs.rs/rustdoc-katex-demo
+# - https://docs.rs/rust-latex-doc-minimal-example
 rustdocflags = ["--html-in-header", "./doc/katex-header.html"]