First Move Module Update 1 (#826)

* first draft of update

* changed links to point to internal mdx files, added horizontal rules, updated filenames in code blocks

* adding screenshots, still haven't built yet

* finished checking draft, only missing Steps now

* added Steps

* ignored x.com so that the lychee will allow this to merge

* Update apps/nextra/pages/en/build/guides/first-move-module.mdx

Co-authored-by: Andrew Hariri <hariria@usc.edu>

* Update apps/nextra/pages/en/build/guides/first-move-module.mdx

Co-authored-by: Andrew Hariri <hariria@usc.edu>

* Refine Your First Move Module intro & formatting cleanup

- Updated the opening paragraph for clarity and professionalism.
- Moved SDK mention to the bottom of the tutorial.
- Condensed the Setup section intro for readability.
- Removed unnecessary dashes from headers and formatting.
- Removed reference to Developer’s Journey blog.
- Updated `aptos --version` to be copyable, while seperately showing the expected output.

* updated intro

---------

Co-authored-by: Andrew Hariri <hariria@usc.edu>
Co-authored-by: Jackson <163934542+jmintuitive@users.noreply.github.com>

Author: 3 people

.github/workflows/link-check.yml

@@ -47,6 +47,7 @@ jobs:
             --exclude '.*%7BmenuImage%7D.*'
             --exclude '.*imageUrl.*'
             --exclude '^(file:|[./]).*\/network\/faucet.mdx$'
+            --exclude '^https://x\.com/.*'
             --accept '403,401,429'
             --retry-wait-time 1
             --max-retries 2