[release-notes] Add section on Clocks, add missing files

[Michael Catanzaro <mcatanzaro src gnome org>]

commit c4fab8830e0a898ac744d0dd7b54fb416f71a941
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Thu Sep 3 17:07:17 2020 -0500

    Add section on Clocks, add missing files
    
    I keep forgetting to 'git add' like I've never used git before!

 help/C/figures/clocks.png                        | Bin 0 -> 123197 bytes
 help/C/figures/screenshot-and-sound-recorder.png | Bin 0 -> 202805 bytes
 help/C/figures/screenshot.png                    | Bin 57494 -> 67195 bytes
 help/C/figures/sound-recorder.png                | Bin 70906 -> 72585 bytes
 help/C/index.page                                |  20 ++++++++++----------
 5 files changed, 10 insertions(+), 10 deletions(-)
---
diff --git a/help/C/figures/clocks.png b/help/C/figures/clocks.png
new file mode 100644
index 00000000..ba146d38
Binary files /dev/null and b/help/C/figures/clocks.png differ
diff --git a/help/C/figures/screenshot-and-sound-recorder.png 
b/help/C/figures/screenshot-and-sound-recorder.png
new file mode 100644
index 00000000..eb443278
Binary files /dev/null and b/help/C/figures/screenshot-and-sound-recorder.png differ
diff --git a/help/C/figures/screenshot.png b/help/C/figures/screenshot.png
index 1cb0a6ad..8c0648af 100644
Binary files a/help/C/figures/screenshot.png and b/help/C/figures/screenshot.png differ
diff --git a/help/C/figures/sound-recorder.png b/help/C/figures/sound-recorder.png
index 5e9c8052..c5502cec 100644
Binary files a/help/C/figures/sound-recorder.png and b/help/C/figures/sound-recorder.png differ
diff --git a/help/C/index.page b/help/C/index.page
index 3a339fd6..93c625a0 100644
--- a/help/C/index.page
+++ b/help/C/index.page
@@ -38,12 +38,6 @@
   Mexico, but had to be moved online due to the pandemic. We are very much
   looking forward to meeting in Mexico in the near future.</p>
 
-  <section id="">
-    <title></title>
-    <media type="image" width="940" src="figures/placeholder.png"/>
-    <p></p>
-  </section>
-
   <section>
     <title>New “Welcome” tour</title>
     <p>GNOME 3.38 comes with a new “Welcome” tour, which gets shown on first
@@ -68,7 +62,7 @@
     desktop.</p>
   </section>
 
-  <section id="epiphany">
+  <section>
     <title>A Better Browsing Experience</title>
     <p>GNOME Web now features Intelligent Tracking Prevention, a collection of
     advanced mitigations designed to protect users from cross-site tracking.
@@ -86,7 +80,7 @@
     you visit.</p>
   </section>
 
-  <section id="maps">
+  <section>
     <title>Adaptive Maps</title>
     <p>Maps is now adaptive for mobile use. When the window is narrow, the
     routing sidebar will now be shown in a separate view, with a back button
@@ -96,12 +90,18 @@
     <media type="image" width="940" src="figures/maps.png">GNOME Maps</media>
   </section>
 
+  <section>
+    <title>Clocks</title>
+    <p>The “Add World Clock” dialog has been redesigned. Additionally, it is
+    now possible to set a snooze and ring duration for alarms.</p>
+    <media type="image" src="figures/clocks.png">GNOME Clocks</media>
+  </section>
+
   <section>
     <title>Utilities</title>
     <p>Several utilities have been redesigned to provide a more polished and
     elegant experience. This includes Screenshot and Sound Recorder.</p>
-    <media type="image" src="figures/screenshot.png">Screenshot utility</media>
-    <media type="image" src="figures/sound-recorder.png">Sound recorder</media>
+    <media type="image" src="figures/screenshot-and-sound-recorder.png">Screenshot and Sound Recorder</media>
   </section>
 
   <section id="thats-not-all">