Fix the header and add all new materials

Author: kaipartmann

docs/src/dev_materials.md

@@ -1,7 +1,7 @@
 # Materials
 
-!!! warning "Work in progress"
-    This page is currently worked on.
+!!! warning "Draft & Work in Progress"
+    This documentation is a draft and work in progress. It will be extended and improved in the future.
 
 The selected material specifies, which peridynamic formulation is employed in calculations.
 
@@ -11,7 +11,9 @@ The selected material specifies, which peridynamic formulation is employed in ca
 - [`DHBBMaterial`](@ref): Dual-horizon bond-based peridynamics.
 - [`OSBMaterial`](@ref): Ordinary state-based peridynamics, also called linear peridynamic solid (LPS).
 - [`CMaterial`](@ref): Correspondence formulation.
-- [`CRMaterial`](@ref): Correspondence formulation stress rotation for objectivity enforcement.
+- [`CRMaterial`](@ref): Correspondence formulation with stress rotation for objectivity enforcement.
+- [`RKCMaterial`](@ref): Reproducing kernel peridynamics with bond-associated higher-order integration.
+- [`RKCRMaterial`](@ref): Reproducing kernel peridynamics with bond-associated higher-order integration with stress rotation for objectivity enforcement.
 - [`BACMaterial`](@ref): Bond-associated correspondence formulation of Chen and Spencer.
 - [`CKIMaterial`](@ref): Continuum-kinematics-inspired peridynamics.
 

docs/src/dev_multithreading_mpi.md

@@ -1,7 +1,7 @@
 # Multithreading & MPI  
 
-!!! warning "Work in progress"
-    This page is currently worked on.
+!!! warning "Draft & Work in Progress"
+    This documentation is a draft and work in progress. It will be extended and improved in the future.
 
 Multithreading and MPI are implemented based on a similar approach. The body is split into several chunks, that each have their own process.
 ```@raw html

docs/src/dev_solvers.md

@@ -1,7 +1,7 @@
 # Time solvers
 
-!!! warning "Work in progress"
-    This page is currently worked on.
+!!! warning "Draft & Work in Progress"
+    This documentation is a draft and work in progress. It will be extended and improved in the future.
 
 ## VelocityVerlet
 

docs/src/dev_systems.md

@@ -1,7 +1,7 @@
 # Systems
 
-!!! warning "Work in progress"
-    This page is currently worked on.
+!!! warning "Draft & Work in Progress"
+    This documentation is a draft and work in progress. It will be extended and improved in the future.
 
 Systems are the backbone of the simulations.
 They contain all the required pre-defined data structures (e.g. bonds, point-families, interactions, ...).

src/discretization/body.jl

@@ -12,8 +12,12 @@ Construct a `Body` for a peridynamics simulation.
     - [`OSBMaterial`](@ref): Ordinary state-based peridynamics, also called linear
         peridynamic solid (LPS).
     - [`CMaterial`](@ref): Correspondence formulation.
-    - [`CRMaterial`](@ref): Correspondence formulation stress rotation for objectivity
+    - [`CRMaterial`](@ref): Correspondence formulation with stress rotation for objectivity
         enforcement.
+    - [`RKCMaterial`](@ref): Reproducing kernel peridynamics with bond-associated
+        higher-order integration.
+    - [`RKCRMaterial`](@ref): Reproducing kernel peridynamics with bond-associated
+        higher-order integration with stress rotation for objectivity enforcement.
     - [`BACMaterial`](@ref): Bond-associated correspondence formulation of Chen and Spencer.
     - [`CKIMaterial`](@ref): Continuum-kinematics-inspired peridynamics.
 - `position::AbstractMatrix`: A `3×n` matrix with the point position of the `n` points.