feat(Fift): Assembler page

[jeshecdom]

Closes #1540.

[github-actions]

Thanks for the updates here; I’ve left a couple of suggestions in languages/fift/fift-assembler.mdx: please apply the inline suggestions.

[github-actions]

[HIGH] Frontmatter title is an unsupported one‑word generic label

The new page frontmatter sets title: "Assembler" and sidebarTitle: "Assembler", which is a one‑word generic title that does not clearly describe the page content. The style guide’s “Title vs sidebar semantics” rule requires page titles to be context‑free and self‑describing, and explicitly forbids one‑word generic titles such as “Overview” or “Introduction” on non‑top‑level pages. This page lives under the Fift group rather than at a top‑level route, and “Assembler” is not a proper name or established term here, so the current title reduces discoverability and makes deep links and search results less informative. The sidebarTitle can remain concise and contextual, but the title should be expanded to clearly identify the Fift assembler topic.

Suggested change

	---
	title: "Assembler"
	sidebarTitle: "Assembler"
	noindex: "true"
	---
	---
	title: "Fift assembler"
	sidebarTitle: "Assembler"
	noindex: "true"
	---

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[jeshecdom]

Done

[github-actions]

[MEDIUM] Missing noindex boolean type in frontmatter

The frontmatter noindex key is set to the string "true" instead of a boolean literal. Site tooling and search/indexing logic typically expect frontmatter flags like noindex to be consistently typed booleans so they can be parsed without special cases. Leaving this as a string can cause incorrect indexing behavior or require bespoke parsing logic.

Suggested change

	noindex: "true"
	noindex: true

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[jeshecdom]

Is this really an issue?