feat: add Devtron header logo SVG and update icon mapping

Author: AbhishekA1509

src/Assets/IconV2/ic-devtron-header-logo.svg

@@ -18,6 +18,7 @@ import { ReactComponent as ICCode } from '@IconsV2/ic-code.svg'
 import { ReactComponent as ICContainer } from '@IconsV2/ic-container.svg'
 import { ReactComponent as ICCrown } from '@IconsV2/ic-crown.svg'
 import { ReactComponent as ICCube } from '@IconsV2/ic-cube.svg'
+import { ReactComponent as ICDevtronHeaderLogo } from '@IconsV2/ic-devtron-header-logo.svg'
 import { ReactComponent as ICDevtron } from '@IconsV2/ic-devtron.svg'
 import { ReactComponent as ICDockerhub } from '@IconsV2/ic-dockerhub.svg'
 import { ReactComponent as ICEcr } from '@IconsV2/ic-ecr.svg'
@@ -90,6 +91,7 @@ export const iconMap = {
     'ic-container': ICContainer,
     'ic-crown': ICCrown,
     'ic-cube': ICCube,
+    'ic-devtron-header-logo': ICDevtronHeaderLogo,
     'ic-devtron': ICDevtron,
     'ic-dockerhub': ICDockerhub,
     'ic-ecr': ICEcr,