Adds the SLP-67 "Volk"

[TadJohnson00]

Adds the SLP-67, intended to fulfil the role of a fullsize .35 pistol, with higher capacity and improved ergonomics.

Why / Balance

While the SLP-57 fills the role of a standard issue compact pistol, small and functional, the SLP-67 will be a more balanced option, featuring a 16-round capacity and greater accuracy - at the cost of fitting in neither pockets nor boots. Additionally, the Volk will be restricted to the Armoury, or to Logistics' catalogue.

Technical details

n/a

Media

Requirements

• I have read and I am following the Pull Request Guidelines. I understand that not doing so may get my pr closed at maintainer’s discretion
• I have added screenshots/videos to this PR showcasing its changes ingame, or this PR does not require an ingame showcase

Breaking changes

n/a
Changelog

n/a

[github-actions]

RSI Diff Bot; head commit 53aa065 merging into ecc4e12
This PR makes changes to 1 or more RSIs. Here is a summary of all changes:

Resources/Textures/DeltaV/Objects/Weapons/Guns/Pistols/slp67.rsi

State	Old	New	Status
base			Added
bolt-open			Added
equipped-BELT			Added
equipped-SUITSTORAGE			Added
icon			Added
inhand-left			Added
inhand-right			Added
mag-0			Added

Edit: diff updated after 53aa065

[ghost]

Seems to be fine in terms of YAML, but the uh. I envision this is going to catch a merge conflict depending on if I merge the SLP-57 first.

[github-actions]

This pull request has conflicts, please resolve those before we can evaluate the pull request.

[TadJohnson00]

Turns out you were right, teehee. Ready for review again.

[ghost]

Top ten reasons why I don't do two PRs adjacent to one another at once, number one: this sort of merge conflict.

[TadJohnson00]

squashing as approved