DNA basics (#14724)

* DNA component

* Commit numba 2

* Added DNA into Station Records Computer

* commit numba 3

* commit numba 4

* Vomit also contain DNA component now

* fixed DNA field not clearing after scanning another item

* commit numba 10
Drinking leaves DNA on an object. Breaking glasses, bottles and beakers leave DNA and leave fingerprints/fibers with 40% chance on glass shards. + lotta fixes

* 11

* 12

* 14

* Added DNA guide entry

* FIX

Content.Server/Medical/VomitSystem.cs

@@ -2,6 +2,7 @@ using Content.Server.Body.Components;
 using Content.Server.Body.Systems;
 using Content.Server.Chemistry.EntitySystems;
 using Content.Server.Fluids.Components;
+using Content.Server.Forensics;
 using Content.Server.Nutrition.Components;
 using Content.Server.Nutrition.EntitySystems;
 using Content.Server.Popups;
@@ -49,6 +50,10 @@ namespace Content.Server.Medical
 
             var puddle = EntityManager.SpawnEntity("PuddleVomit", Transform(uid).Coordinates);
 
+            var forensics = EnsureComp<ForensicsComponent>(puddle);
+            if (TryComp<DnaComponent>(uid, out var dna))
+                forensics.DNAs.Add(dna.DNA);
+
             var puddleComp = Comp<PuddleComponent>(puddle);
 
             SoundSystem.Play("/Audio/Effects/Fluids/splat.ogg", Filter.Pvs(uid), uid, AudioHelpers.WithVariation(0.2f).WithVolume(-4f));