Correct book image link paths to be absolute

Author: jsharkey13

src/app/services/constants.ts

@@ -520,42 +520,42 @@ export const ISAAC_BOOKS: BookInfo[] = siteSpecific(
     [
         {
             title: "Step up to GCSE Physics", value: "phys_book_step_up",
-            label: "Step up to GCSE Physics", image: "assets/phy/books/step_up_phys.jpg",
+            label: "Step up to GCSE Physics", image: "/assets/phy/books/step_up_phys.jpg",
             path: "/books/step_up_phys", subject: "physics", stages: ["11_14"]
         },
         {
             title: "GCSE Physics", value: "phys_book_gcse",
-            label: "GCSE Physics", image: "assets/phy/books/phys_book_gcse.jpg",
+            label: "GCSE Physics", image: "/assets/phy/books/phys_book_gcse.jpg",
             path: "/books/phys_book_gcse", subject: "physics", stages: ["gcse"]
         },
         {
             title: "Pre-University Physics", value: "physics_skills_19",
-            label: "A Level Physics (3rd Edition)", image: "assets/phy/books/physics_skills_19.jpg",
+            label: "A Level Physics (3rd Edition)", image: "/assets/phy/books/physics_skills_19.jpg",
             path: "/books/physics_skills_19", subject: "physics", stages: ["a_level"]
         },
         {
             title: "Linking Concepts in Pre-University Physics", value: "physics_linking_concepts",
-            label: "Linking Concepts in Pre-Uni Physics", image: "assets/phy/books/linking_concepts.png",
+            label: "Linking Concepts in Pre-Uni Physics", image: "/assets/phy/books/linking_concepts.png",
             path: "/books/linking_concepts", subject: "physics", stages: ["a_level"]
         },
         {
             title: "Using Essential GCSE Mathematics", value: "maths_book_gcse",
-            label: "GCSE Maths", image: "assets/phy/books/2021_maths_book_gcse.jpg",
+            label: "GCSE Maths", image: "/assets/phy/books/2021_maths_book_gcse.jpg",
             path: "/books/maths_book_gcse", subject: "maths", stages: ["gcse"]
         },
         {
             title: "Mathematics for Sciences (2nd edition)", value: "maths_book_2e",
-            label: "Pre-Uni Maths (2nd edition)", image: "assets/phy/books/pre_uni_maths_2e.jpg",
+            label: "Pre-Uni Maths (2nd edition)", image: "/assets/phy/books/pre_uni_maths_2e.jpg",
             path: "/books/pre_uni_maths_2e", subject: "maths", stages: ["a_level"]
         },
         {
             title: "Mathematics for Sciences (1st edition)", value: "maths_book",
-            label: "Pre-Uni Maths (1st edition)", image: "assets/phy/books/pre_uni_maths.jpg",
+            label: "Pre-Uni Maths (1st edition)", image: "/assets/phy/books/pre_uni_maths.jpg",
             path: "/books/pre_uni_maths", subject: "maths", stages: ["a_level"]
         },
         {
             title: "Pre-University Physical Chemistry", value: "chemistry_16",
-            label: "A-Level Physical Chemistry", image: "assets/phy/books/chemistry_16.jpg",
+            label: "A-Level Physical Chemistry", image: "/assets/phy/books/chemistry_16.jpg",
             path: "/books/chemistry_16", subject: "chemistry", stages: ["a_level"]
         }
     ],