- Fixes for Doxygen Layouts

- Changed dynarray indexing to use size_t
 - Added groups to optional documentation

README.md

@@ -16,8 +16,9 @@
     * [Coding Standards](#coding-standards)
   * [Building from Source](#building-from-source)
     * [Building from Terminal](#building-from-terminal)
-      * [Debian](#debian)
-      * [Fedora](#fedora-dnf) → `dnf`
+      * [Debian](#debian) → `apt`
+      * [Arch](#arch) → `pacman`
+      * [Fedora](#fedora) → `dnf`
     * [Building on Windows](#building-on-windows)
   * [Running the Test Suite](#running-the-test-suite)
   * [Usage](#usage)
@@ -158,7 +159,7 @@ If you wish to build for Windows *and* Linux, your options are WSL or Dual Boot.
 On Debian-based distributions, you can install dependencies using the following command:
 ```shell
 sudo apt install build-essential cmake ninja-build libglew-dev valgrind
-git submodule update --init --recursive
+git submodule update --force --init --recursive --remote
 ```
 
 for Doxygen run:
@@ -166,13 +167,27 @@ for Doxygen run:
 sudo apt install doxygen graphviz
 ```
 
-<a id="fedora-dnf"></a>
-#### Fedora (`dnf`)
+<a id="arch"></a>
+#### Arch
 
-On Debian-based distributions, you can install dependencies using the following command:
+On Arch-based distributions, you can install dependencies using the following command:
+```shell
+sudo pacman -S base-devel cmake ninja glew valgrind
+git submodule update --force --init --recursive --remote
+```
+
+for Doxygen run:
+```shell
+sudo pacman -S doxygen graphviz
+```
+
+<a id="fedora"></a>
+#### Fedora
+
+On Fedora-based distributions, you can install dependencies using the following command:
 ```shell
 sudo dnf install build-essential g++ cmake ninja-build glew-devel valgrind
-git submodule update --init --recursive
+git submodule update --force --init --recursive --remote
 ```
 
 for Doxygen run: