docs: highlight npx in bash blocks and polish English copy

Use Prism insertBefore for CLI commands like npx, tighten tutorial and reference wording, and keep YAML titles free of backticks so sidebar and page headings stay correct.

Co-authored-by: Cursor <[email protected]>

docs/source/tutorials/caching.md

@@ -2,13 +2,13 @@
 title: Caching
 ---
 
-In a typical website project, we'll have a directory of view templates and they'll be rendered multiple times. In production environment the template files are not likely to be changed over time (other than re-deployments). Thus it makes sense to cache the file contents and the parsed templates (in a kind of AST) to improve performance.
+In a typical website project, we'll have a directory of view templates and they'll be rendered multiple times. In a production environment the template files are not likely to change over time (other than re-deployments). Thus it makes sense to cache the file contents and the parsed templates (in a kind of AST) to improve performance.
 
 LiquidJS provides multiple ways to cache the parsed templates to improve performance.
 
 ## Programmatically
 
-The [.parse()][parse], [.parseFile()][parseFile], [.parseFileSync()][parseFileSync] APIs are used to parse templates from string or files. The result template can be then rendered multiple times with different context.
+The [.parse()][parse], [.parseFile()][parseFile], [.parseFileSync()][parseFileSync] APIs are used to parse templates from strings or files. The resulting template can then be rendered multiple times with different context.
 
 Parse from string: