[DOCS] Adds X-Pack icon for Canvas (#34173)

docs/canvas.asciidoc

@@ -1,3 +1,5 @@
+
+[role="xpack"]
 [[canvas]]
 = Canvas
 

docs/canvas/canvas-client-functions.asciidoc

@@ -1,3 +1,4 @@
+[role="xpack"]
 [[canvas-client-functions]]
 === Canvas client functions
 

docs/canvas/canvas-common-functions.asciidoc

@@ -1,3 +1,4 @@
+[role="xpack"]
 [[canvas-common-functions]]
 === Canvas common functions
 

docs/canvas/canvas-function-reference.asciidoc

@@ -1,3 +1,4 @@
+[role="xpack"]
 [[canvas-function-reference]]
 == Canvas function reference
 

docs/canvas/canvas-getting-started.asciidoc

@@ -1,3 +1,4 @@
+[role="xpack"]
 [[canvas-getting-started]]
 == Getting started with Canvas
 

docs/canvas/canvas-server-functions.asciidoc

@@ -1,3 +1,4 @@
+[role="xpack"]
 [[canvas-server-functions]]
 === Canvas server functions
 

docs/canvas/canvas-tinymath-functions.asciidoc

@@ -1,4 +1,4 @@
-
+[role="xpack"]
 [[canvas-tinymath-functions]]
 === TinyMath functions
 

docs/canvas/canvas-workpad.asciidoc

@@ -1,3 +1,4 @@
+[role="xpack"]
 [[canvas-workpad]]
 === Using the workpad