prerelease 55 changelog and docs updates

Author: kylebuch8

CHANGELOG-prerelease.md

@@ -1,7 +1,11 @@
-## Prerelease 55 ( TBD )
-
-- [](https://github.com/patternfly/patternfly-elements/commit/) feat: pfe-autocomplete - fire custom event when dropdown is shown
-- [](https://github.com/patternfly/patternfly-elements/commit/) fix: pfelement - restore pfelement tests (#1018)
+## Prerelease 55 ( 2020-08-19 )
+
+- [3ee117e](https://github.com/patternfly/patternfly-elements/commit/3ee117e8a3df17f50738b9c0fa0caa3a9af9c679) feat: pfe-autocomplete - fire custom event when dropdown is shown (#1046)
+- [96efb0a](https://github.com/patternfly/patternfly-elements/commit/96efb0a9fcdb969fd8697d6e746b2da22a55288f) docs: disable broken code highlighting in docs' code blocks (#1039)
+- [0a46bfa](https://github.com/patternfly/patternfly-elements/commit/0a46bfaec0b16b4f68fffa96df7a1efb9a3fa016) docs: demo homepage - adding alt tags to images and fixing cta alignment (#1022)
+- [74418ec](https://github.com/patternfly/patternfly-elements/commit/74418ec2096bb9b45863272237307f93e68c87e6) docs: allow embedding HTML in markdown docs (#1030)
+- [e3e3d38](https://github.com/patternfly/patternfly-elements/commit/e3e3d38401a734124be08c65c2e447d3c47686f2) docs: Theme palette variables update (#1029)
+- [51e988c](https://github.com/patternfly/patternfly-elements/commit/51e988c3e645ff1d3018bc43f24cfaa6be3b5bb2) fix: pfelement - restore pfelement tests (#1018)
 - [fbe4423](https://github.com/patternfly/patternfly-elements/commit/fbe442396f06b0a097366512b698dc0b6d5e1f9f) fix: improve CLS rating in lighthouse (#1020)
 
 ## Prerelease 54 ( 2020-07-31 )

docs/layouts/_default/list.html

@@ -8,7 +8,7 @@
   <!-- Convert to a partial -->
   <nav id="main-toc">
     <section class="inner-toc">
-      <span class="label big" style="margin-bottom: 1.5rem;">Version 1.0.0-prerelease.53</span>
+      <span class="label big" style="margin-bottom: 1.5rem;">Version 1.0.0-prerelease.55</span>
 
       <h3><a href="/getting-started">Getting Started</a></h3>
       <ul>

docs/layouts/_default/single.html

@@ -8,7 +8,7 @@
   <!-- Convert to a partial -->
   <nav id="main-toc">
     <section class="inner-toc">
-      <span class="label big" style="margin-bottom: 1.5rem;">Version 1.0.0-prerelease.53</span>
+      <span class="label big" style="margin-bottom: 1.5rem;">Version 1.0.0-prerelease.55</span>
 
       <h3><a href="/getting-started">Getting Started</a></h3>
       <ul>

docs/layouts/partials/header.html

@@ -40,7 +40,7 @@
 <!-- Convert to a partial -->
 <nav id="mobile-toc" class="hide">
   <section class="inner-toc">
-    <span class="label big" style="margin-bottom: 1.5rem;">Version 1.0.0-prerelease.53</span>
+    <span class="label big" style="margin-bottom: 1.5rem;">Version 1.0.0-prerelease.55</span>
 
     <h3><a href="/getting-started">Getting Started</a></h3>
     <ul>