Add platform.sh icon (#5820)

* Added Palo Alto Networks Icon

* Update Brand Guidelines

* Added HashiCorp Logo

* Remove Palo Alto from this PR.

* Remove HashiCorp from this branch

* Added Platform.sh Icon

* Update platform.sh Icon

* Update platform.sh logo color

Co-authored-by: Adam Rusted <hello@adamrusted.me>
Co-authored-by: Peter Noble <petershaggynoble@gmail.com>

_data/simple-icons.json

@@ -6657,6 +6657,11 @@
             "hex": "0085DE",
             "source": "https://app.plangrid.com/"
         },
+        {
+            "title": "Platform.sh",
+            "hex": "1A182A",
+            "source": "https://platform.sh/logos/"
+        },
         {
             "title": "Platzi",
             "hex": "98CA3F",

icons/platformdotsh.svg

@@ -0,0 +1 @@
+<svg role="img" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><title>Platform.sh</title><path d="M24 0H0v9.541h24V0zM24 20.755H0V24h24v-3.245zM0 12.618h24v4.892H0v-4.892z"/></svg>