Bug Fixes

• footer: fix footer theme copyright info (0d7a767)
• page: repair the article page from the outside, the picture is invalid (6df136f)
• search: fix search style (285f33e)

Features

• about page: remove the li subscript on the about page (1e57c17)
• navbar: custom navbar icon (670add7)
• page: custom h tag icon (c7901f7)