docs: add Robot convenience wrappers to API docs and cross-reference chapter pages

Author: ferrolho

docs/src/lib/dynamics.md

@@ -2,6 +2,9 @@
 
 *Textbook Chapter 8*
 
+!!! tip "Robot convenience wrappers"
+    For simplified calls using a [`Robot`](@ref) model (e.g., `inverse_dynamics(robot, q, dq, ddq)`), see [Robot Model](@ref).
+
 ```@autodocs
 Modules = [ModernRoboticsBook]
 Pages = ["ModernRoboticsBook.jl"]

docs/src/lib/forward-kinematics.md

@@ -2,6 +2,9 @@
 
 *Textbook Chapter 4*
 
+!!! tip "Robot convenience wrappers"
+    For simplified calls using a [`Robot`](@ref) model (e.g., `forward_kinematics_space(robot, q)`), see [Robot Model](@ref).
+
 ```@autodocs
 Modules = [ModernRoboticsBook]
 Pages = ["ModernRoboticsBook.jl"]

docs/src/lib/inverse-kinematics.md

@@ -2,6 +2,9 @@
 
 *Textbook Chapter 6*
 
+!!! tip "Robot convenience wrappers"
+    For simplified calls using a [`Robot`](@ref) model (e.g., `inverse_kinematics_body(robot, target, guess, ε_ω, ε_v)`), see [Robot Model](@ref).
+
 ```@autodocs
 Modules = [ModernRoboticsBook]
 Pages = ["ModernRoboticsBook.jl"]

docs/src/lib/robot-control.md

@@ -2,6 +2,9 @@
 
 *Textbook Chapter 11*
 
+!!! tip "Robot convenience wrappers"
+    For simplified calls using a [`Robot`](@ref) model (e.g., `computed_torque(robot, q, dq, ...)`), see [Robot Model](@ref).
+
 ```@autodocs
 Modules = [ModernRoboticsBook]
 Pages = ["ModernRoboticsBook.jl"]

docs/src/lib/robot-model.md

@@ -1,7 +1,19 @@
 # Robot Model
 
+## Type and Loading
+
 ```@autodocs
 Modules = [ModernRoboticsBook]
 Pages = ["robot.jl"]
 Filter = t -> nameof(t) in [:Robot, :load_robot]
 ```
+
+## Convenience Wrappers
+
+The following functions accept a [`Robot`](@ref) as their first argument, automatically supplying the robot's kinematic and dynamic parameters. See the corresponding chapter pages for algorithmic details.
+
+```@autodocs
+Modules = [ModernRoboticsBook]
+Pages = ["robot.jl"]
+Filter = t -> nameof(t) ∉ [:Robot, :load_robot]
+```

docs/src/lib/velocity-kinematics.md

@@ -2,6 +2,9 @@
 
 *Textbook Chapter 5*
 
+!!! tip "Robot convenience wrappers"
+    For simplified calls using a [`Robot`](@ref) model (e.g., `jacobian_space(robot, q)`), see [Robot Model](@ref).
+
 ```@autodocs
 Modules = [ModernRoboticsBook]
 Pages = ["ModernRoboticsBook.jl"]