Adds Links to Gem Directory and Documentation for Gems (#2922)

* Changed blue text to white that is not meant as a link, made 'View in Director' link work for gems in the inspector, added parsing for gem documentation link

Signed-off-by: nggieber <nggieber@amazon.com>

* Added documentation links for gems, changed markup for urls in summaries and requirements so they are clickable

Signed-off-by: nggieber <nggieber@amazon.com>

* Fixed a couple of the documentation links

Signed-off-by: nggieber <nggieber@amazon.com>

* Added documentation url to edit gem properties script and updated unit tests

Signed-off-by: nggieber <nggieber@amazon.com>

Gems/EditorPythonBindings/gem.json

@@ -1,12 +1,13 @@
 {
-  "gem_name": "EditorPythonBindings",
-  "display_name": "Editor Python Bindings",
-  "license": "Apache-2.0 Or MIT",
-  "origin": "Open 3D Engine - o3de.org",
-  "type": "Tool",
-  "summary": "The Editor Python Bindings Gem provides Python commands for Open 3D Engine Editor functions.",
-  "canonical_tags": ["Gem"],
-  "user_tags": ["Scripting", "Utility"],
-  "icon_path": "preview.png",
-  "requirements": ""
+    "gem_name": "EditorPythonBindings",
+    "display_name": "Editor Python Bindings",
+    "license": "Apache-2.0 Or MIT",
+    "origin": "Open 3D Engine - o3de.org",
+    "type": "Tool",
+    "summary": "The Editor Python Bindings Gem provides Python commands for Open 3D Engine Editor functions.",
+    "canonical_tags": ["Gem"],
+    "user_tags": ["Scripting", "Utility"],
+    "icon_path": "preview.png",
+    "requirements": "",
+    "documentation_url": "https://o3de.org/docs/user-guide/gems/reference/script/python/editor-python-bindings/"
 }