Add AsciiDoc brand guidelines

Also modified the Eclipse IoT brand guideline's file name to conform with
the file naming convention.

Created a guidelines directory to store the PDFs in.

Squashed commit of the following:

commit fc9a00822949ebb4f90c09f625f60368b4f9b51b
Author: Olivier Goulet <olivier.goulet@eclipse-foundation.org>
Date:   Thu Jul 21 11:29:51 2022 -0400

    Add AsciiDoc brand guidelines

    Change-Id: I214e865b3e1d74228455bd03cb2911f33f3811cf

commit 3a53687bc88397a27a2625d72e8935b006362f34
Merge: 48f47db0 227f8c48
Author: Olivier Goulet <olivier.goulet@eclipse-foundation.org>
Date:   Thu Jul 21 09:44:31 2022 -0400

    Merge branch 'master' of ssh://git.eclipse.org:29418/www.eclipse.org/org

    Change-Id: Id6e128466ea23b6247741c203ecb5dadf4595ab6

commit 48f47db018e7151974b47be18e5e6b6e0c5727cf
Merge: 686667d6 17c445f4
Author: Olivier Goulet <olivier.goulet@eclipse-foundation.org>
Date:   Mon Jul 18 12:51:34 2022 -0400

    Merge branch 'master' of ssh://git.eclipse.org:29418/www.eclipse.org/org

    Change-Id: I3b6dc5eb19cb762d9e7896bd838b696d61b9ae0f

commit 686667d6c7bc3e5b973ab3cb1c4276f20312ea39
Author: Olivier Goulet <olivier.goulet@eclipse-foundation.org>
Date:   Mon Jul 18 09:31:07 2022 -0400

    Update Matt's title to IT Manager

commit 384f7f23bb07d8efc4ec192b3b5d0a92d24069eb
Author: Olivier Goulet <olivier.goulet@eclipse-foundation.org>
Date:   Thu Jul 14 20:34:42 2022 -0400

    Remove Zhou from staff page

Change-Id: I1eebae9e404e69dcc2fd02944a79e972ee9a4f61
diff --git a/artwork/content/en_index.php b/artwork/content/en_index.php
index 347058f..87a7ef2 100644
--- a/artwork/content/en_index.php
+++ b/artwork/content/en_index.php
@@ -161,6 +161,9 @@
       <p class="logo-title">ASCIIDOC</p>
     </div>
     <img src="images/wg_asciidoc-logo.svg" alt="AsciiDoc logo">
+    <p class="branding-guidelines">
+      <a href="guidelines/asciidoc-brand-guidelines.pdf">Brand Guidelines</a>
+    </p>
     <p class="logo-types">Includes: <strong>Colour | Reversed Colour | Monochromatic</strong></p>
     <div class="logo-button-container">
       <a href="zip_files/asciidoc-logo.zip" title="Download AsciiDoc logo">Download</a>
@@ -216,7 +219,7 @@
       <p class="logo-title">ECLIPSE IOT</p>
     </div>
     <img class="iot-logo" src="images/iot_logo_clr.svg" alt="IoT logo">
-    <p class="branding-guidelines"><a href="zip_files/Eclipse-IoT-Brand-Guidelines.pdf">Brand Guidelines</a></p>
+    <p class="branding-guidelines"><a href="guidelines/eclipse-iot-brand-guidelines.pdf">Brand Guidelines</a></p>
     <p class="logo-types">Includes: <strong> Colour | Monochromatic</strong></p>
     <div class="logo-button-container">
       <a href="zip_files/iot-logo.zip" title="Download IoT logo">Download</a>
diff --git a/artwork/guidelines/asciidoc-brand-guidelines.pdf b/artwork/guidelines/asciidoc-brand-guidelines.pdf
new file mode 100644
index 0000000..b114b69
--- /dev/null
+++ b/artwork/guidelines/asciidoc-brand-guidelines.pdf
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diff --git a/artwork/zip_files/Eclipse-IoT-Brand-Guidelines.pdf b/artwork/guidelines/eclipse-iot-brand-guidelines.pdf
similarity index 100%
rename from artwork/zip_files/Eclipse-IoT-Brand-Guidelines.pdf
rename to artwork/guidelines/eclipse-iot-brand-guidelines.pdf
Binary files differ