filter indices based on files

Author: baggepinnen

docs/src/components.md

@@ -7,6 +7,7 @@ A mass with a shape can be modeled using a [`BodyShape`](@ref). The primary diff
 A rod without a mass (just a translation), is modeled using [`FixedTranslation`](@ref).
 
 ```@index
+Pages   = ["components.jl", "wheels.jl", "PlanarMechanics/components.jl"]
 ```
 
 ```@autodocs

docs/src/forces.md

@@ -1,6 +1,7 @@
 # Forces
 
 ```@index
+Pages   = ["forces.jl"]
 ```
 
 

docs/src/frames.md

@@ -2,6 +2,7 @@
 
 ## Docstrings
 ```@index
+Pages   = ["frames.jl", "PlanarMechanics/utils.jl"]
 ```
 
 ```@autodocs

docs/src/interfaces.md

@@ -1,6 +1,11 @@
 # Interfaces
 
 ## Docstrings
+
+```@index
+Pages   = ["interfaces.jl"]
+```
+
 ```@autodocs
 Modules = [Multibody]
 Pages   = ["interfaces.jl"]

docs/src/joints.md

@@ -8,6 +8,7 @@ Some joints offer the option to add 1-dimensional components to them by providin
 
 ## Docstrings
 ```@index
+Pages   = ["joints.jl", "fancy_joints.jl", "PlanarMechanics/joints.jl"]
 ```
 
 ```@autodocs

docs/src/rotations.md

@@ -65,6 +65,7 @@ See [Orientations and directions](@ref)
 
 ## Docstrings
 ```@index
+Pages   = ["orientation.jl"]
 ```
 
 ```@autodocs

docs/src/sensors.md

@@ -1,12 +1,13 @@
 # Sensors
+A sensor is an object that translates quantities in the mechanical domain into causal signals which can interact with causal components from [ModelingToolkitStandardLibrary.Blocks](https://docs.sciml.ai/ModelingToolkitStandardLibrary/stable/API/blocks/), such as control systems etc.
 
 
 ## Docstrings
 ```@index
+Pages   = ["sensors.jl", "PlanarMechanics/sensors.jl"]
 ```
 
 
-A sensor is an object that translates quantities in the mechanical domain into causal signals which can interact with causal components from [ModelingToolkitStandardLibrary.Blocks](https://docs.sciml.ai/ModelingToolkitStandardLibrary/stable/API/blocks/), such as control systems etc.
 
 ```@autodocs
 Modules = [Multibody, Multibody.PlanarMechanics]

docs/src/trajectory_planning.md

@@ -15,6 +15,7 @@ See [Industrial robot](@ref) for an example making use of the [`point_to_point`]
 ## Docstrings
 
 ```@index
+Pages   = ["path_planning.jl", "ptp.jl"]
 ```
 
 

docs/src/urdf.md

@@ -24,6 +24,8 @@ urdf2multibody(filename; extras=true, out)
 include(out) # Include model, perform simulation and plotting
 ```
 
+## Docstring
+
 ```@docs
 Multibody.urdf2multibody
 ```