docs: fix a minor typo on the title of install-from-c-library.md (#4484)

<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->

## Summary by CodeRabbit

- **Documentation**
- Updated formatting of the installation guide for the pre-compiled C
library.
- Icons for TensorFlow and JAX are now displayed together in the header.
	- Retained all installation instructions and compatibility notes.

<!-- end of auto-generated comment: release notes by coderabbit.ai -->

Signed-off-by: Jinzhe Zeng <[email protected]>
(cherry picked from commit 2525ab2)

Author: njzjz

doc/install/install-from-c-library.md

@@ -1,4 +1,4 @@
-# Install from pre-compiled C library {{ tensorflow_icon }}, JAX {{ jax_icon }}
+# Install from pre-compiled C library {{ tensorflow_icon }} {{ jax_icon }}
 
 :::{note}
 **Supported backends**: TensorFlow {{ tensorflow_icon }}, JAX {{ jax_icon }}