added tests for ipfs uploader. adapted changelog.md accordingly. improved ipfs uploader with external suggestions

fix lint description.exs

config/description.exs

@@ -147,7 +147,8 @@ config :pleroma, :config_description, [
         type: :string,
         description: "GET Gateway URL",
         suggestions: [
-          "get_gateway_url"
+          "https://ipfs.mydomain.com/<%= cid %>",
+          "https://<%= cid %>.ipfs.mydomain.com/"
         ]
       },
       %{
@@ -155,7 +156,7 @@ config :pleroma, :config_description, [
         type: :string,
         description: "POST Gateway URL",
         suggestions: [
-          "post_gateway_url"
+          "http://localhost:5001/"
         ]
       }
     ]

config/dev.exs

@@ -58,10 +58,6 @@ config :pleroma, Pleroma.Web.ApiSpec.CastAndValidate, strict: true
 # https://dashbit.co/blog/speeding-up-re-compilation-of-elixir-projects
 config :phoenix, :plug_init_mode, :runtime
 
-config :pleroma, Pleroma.Uploaders.IPFS,
-  post_gateway_url: nil,
-  get_gateway_url: nil
-
 if File.exists?("./config/dev.secret.exs") do
   import_config "dev.secret.exs"
 else