Editing HTML Landing Page

Halo,

sesuai judul saya ada file landing page di website builder yg mau dijadikan static page 

Scope of work : 

1. copy lp ke local host ( cth lp : https://powviral.berdu.pw/greenhairmask ) 

2. edit dan simplify codingnya tanpa mengurangi fungsi dan tampilan 

3. tambahan function di static pagenya :

• 1. contact form to google sheets integration and redirect to other page
• 2. back button redirect script
• 3. image slide show 

5. ajari cara apabila saya mau perubahan image dll

thanks