add ImageIO backend (#219)

* add ImageIO backend
* remove test compat for Makie

Co-authored-by: lorenzoh <[email protected]>

Author: johnnychen94

Project.toml

@@ -20,6 +20,7 @@ Flux = "587475ba-b771-5e3f-ad9e-33799f191a9c"
 FluxTraining = "7bf95e4d-ca32-48da-9824-f0dc5310474f"
 Glob = "c27321d9-0574-5035-807b-f59d2c89b15c"
 ImageInTerminal = "d8c32880-2388-543b-8c61-d9f865259254"
+ImageIO = "82e4d734-157c-48bb-816b-45c225c6df19"
 IndirectArrays = "9b13fd28-a010-5f03-acff-a1bbcff69959"
 InlineTest = "bd334432-b1e7-49c7-a2dc-dd9149e4ebd6"
 JLD2 = "033835bb-8acc-5ee8-8aae-3f567f8a3819"
@@ -57,6 +58,7 @@ Flux = "0.12, 0.13"
 FluxTraining = "0.2"
 Glob = "1"
 ImageInTerminal = "0.4"
+ImageIO = "0.6"
 IndirectArrays = "0.5, 1"
 InlineTest = "0.2"
 JLD2 = "0.4"

test/Project.toml

@@ -20,6 +20,3 @@ StaticArrays = "90137ffa-7385-5640-81b9-e52037218182"
 Tables = "bd369af6-aec1-5ad0-b16a-f7cc5008161c"
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 TestSetExtensions = "98d24dd4-01ad-11ea-1b02-c9a08f80db04"
-
-[compat]
-Makie = "0.15.3"