Bump version to v1.3.4 (#247)

* update documentation

* bump version to v1.3.4

Author: hyrodium

Project.toml

@@ -1,6 +1,6 @@
 name = "Rotations"
 uuid = "6038ab10-8711-5258-84ad-4b1120ba62dc"
-version = "1.3.3"
+version = "1.3.4"
 
 [deps]
 LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"

docs/src/3d_quaternion.md

@@ -24,6 +24,8 @@ RotY(β) ≈ QuatRotation(cos(β/2),0,sin(β/2),0)  # These matrices are equal
 RotZ(γ) ≈ QuatRotation(cos(γ/2),0,0,sin(γ/2))  # These matrices are equal
 ```
 
+See also [Quaternions.jl documentation](https://juliageometry.github.io/Quaternions.jl/stable/examples/rotations/).
+
 ## `RodriguesParam`
 A 3-parameter representation of 3D rotations that has a singularity at ``180^{\circ}``.
 They can be interpreted as a projection of the unit quaternion onto the plane tangent to the quaternion identity.