feat: add initial People Playground mod development kit

extracted_wiki_content/internalReference/linesegment.txt

@@ -0,0 +1,39 @@
+URL: https://wiki.studiominus.nl/internalReference/LineSegment.html
+Title: People Playground Modding - LineSegment
+==================================================
+
+public struct LineSegment
+Inherits System.IEquatable<LineSegment>
+[System.Serializable]
+A 2D line segment
+Fields
+public Vector2 A
+First point
+
+public Vector2 B
+Second point
+
+Methods
+public (constructor) LineSegment(Vector2 a, Vector2 b)
+No description provided
+
+public readonly Vector2 GetRandomPoint()
+Get random point on line segment
+
+public readonly Vector2 GetPointAlong(float progress)
+Get point along the segment from A to B (just lerps from A to B by given value)
+
+public readonly Vector2 GetMidpoint()
+Get middle point on line segment
+
+public readonly float GetDistance(Vector2 point)
+Get distance to given point
+
+public override bool Equals(object obj)
+No description provided
+
+public bool Equals(LineSegment other)
+No description provided
+
+public override int GetHashCode()
+No description provided