Add preset for railway=platform_edge

[Dimitar5555]

Description, Motivation & Context

This PR creates a preset for platform edges, usually found at train stations. It is mostly useful when there are island platforms.

Related issues

Ref: #1641

Links and data

Relevant OSM Wiki links:

• https://wiki.openstreetmap.org/wiki/Tag:railway%3Dplatform_edge

Relevant tag usage stats:
Almost 12k uses as of 2025-09-26
https://taginfo.openstreetmap.org/tags/railway%3Dplatform_edge

Rapid growth since the start of 2024
https://taghistory.raifer.tech/#***/railway/platform_edge

JOSM and Vespucci already have a preset for it (according to TagInfo).

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### Wording

- [ ] American English
- [ ] `name`, `aliases` (if present) use Title Case
- [ ] `terms` (if present) use lower case, sorted A-Z
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[Dimitar5555]

Test-Documentation

Preview links & Sidebar Screenshots

https://pr-1745--ideditor-presets-preview.netlify.app/id/dist/?id=w996838089#disable_features=boundaries&map=20.00/42.65244/23.46977&background=Bing&id=w996838089

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1	2

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Wording

• American English

• name, aliases (if present) use Title Case
  Should "edge" be capitalised? It looks strange to me.

• terms (if present) use lower case, sorted A-Z

[matkoniecz]

I worry that it will be mass-added in cases where it is only unneeded clutter, but I see not way to avoid it

[andrewharvey]

#1850 proposes to use local_ref for the local reference like platform number/stand number and ref for the network wide reference.

[k-yle]

#1850 proposes to use local_ref for the local reference like platform number/stand number and ref for the network wide reference.

Not anymore right? That was changed in #1850 (comment) , the PR title is inaccurate

feature	tag for the local ID	tag for the network-wide ID
stop_position	local_ref	ref
platform	ref	no tag
platform_edge	ref