start dev server: make run_dev

[To do for me ]

! remove jquery and replace with Tera Inheritance ! ! add dynamic language handling with templates --> extract JSON data into Rust type(as JSON Object) => use in Template => use conditionally(Accept-Language-Header) ! add form handling(to mail)

! wasm for 3d canvas ? --> web-sys ! login, payment, cart ! add database ! crsf tokens for links

Frontend: ! Fix css queries ! Fix css footer ! Fix css home posts-section ! add css Animations ! cleaner look ! Add 3d canvas, images ! webp images ! Fix js open menu ! improve js code, use TS ?