Fix template links (#134)

Author: samcoy3

app/file-upload-templates/class-list-upload.md

@@ -13,5 +13,5 @@ This template shows what information you need to upload when importing class lis
 {{ attachment({
   text: "Class list upload template",
   summary: "Microsoft Excel spreadsheet, 17 KB",
-  href: "/files/class-list-import-template.xlsx"
+  href: "/files/class-list-upload-template.xlsx"
 }) }}

app/file-upload-templates/cohort-list-upload.md

@@ -13,5 +13,5 @@ This template shows what information you need to upload when importing cohorts i
 {{ attachment({
   text: "Cohort upload template",
   summary: "Microsoft Excel spreadsheet, 18 KB",
-  href: "/files/cohort-import-template.xlsx"
+  href: "/files/cohort-upload-template.xlsx"
 }) }}

app/file-upload-templates/vaccination-records-upload.md

@@ -13,5 +13,5 @@ This template shows what information you need to upload when importing historica
 {{ attachment({
   text: "Vaccination records upload template",
   summary: "Microsoft Excel spreadsheet, 18 KB",
-  href: "/files/historical-vaccination-records-import-template.xlsx"
+  href: "/files/historical-vaccination-records-upload-template.xlsx"
 }) }}