Update homepage branding

[chrmod]

We need following images with Ghostery branding:

• ic_wordmark_logo
• ic_wordmark_text_private
• ic_wordmark_text_normal

Should be based on previously used SVGs:

• ic_logo_wordmark_normal
• ic_logo_wordmark_private
• ic_logo_wordmark_white

[kalinme]

updated assets.zip

@chrmod please check these assets