Replace All initializers with dry-structs, remove callable and optional modules and hacks around instanciating, ruby 3 support works now

Gemfile.lock

@@ -2,7 +2,7 @@ PATH
   remote: .
   specs:
     yookassa (0.1.0)
-      dry-initializer
+      dry-struct
       http (~> 5.0.1)
 
 GEM
@@ -13,13 +13,35 @@ GEM
     ast (2.4.2)
     byebug (11.1.3)
     coderay (1.1.3)
+    concurrent-ruby (1.1.9)
     crack (0.4.5)
       rexml
     diff-lcs (1.4.4)
     docile (1.4.0)
     domain_name (0.5.20190701)
       unf (>= 0.0.5, < 1.0.0)
-    dry-initializer (3.0.4)
+    dry-configurable (0.13.0)
+      concurrent-ruby (~> 1.0)
+      dry-core (~> 0.6)
+    dry-container (0.9.0)
+      concurrent-ruby (~> 1.0)
+      dry-configurable (~> 0.13, >= 0.13.0)
+    dry-core (0.7.1)
+      concurrent-ruby (~> 1.0)
+    dry-inflector (0.2.1)
+    dry-logic (1.2.0)
+      concurrent-ruby (~> 1.0)
+      dry-core (~> 0.5, >= 0.5)
+    dry-struct (1.4.0)
+      dry-core (~> 0.5, >= 0.5)
+      dry-types (~> 1.5)
+      ice_nine (~> 0.11)
+    dry-types (1.5.1)
+      concurrent-ruby (~> 1.0)
+      dry-container (~> 0.3)
+      dry-core (~> 0.5, >= 0.5)
+      dry-inflector (~> 0.1, >= 0.1.2)
+      dry-logic (~> 1.0, >= 1.0.2)
     ffi (1.15.4)
     ffi-compiler (1.0.1)
       ffi (>= 1.0.0)
@@ -33,6 +55,7 @@ GEM
     http-cookie (1.0.4)
       domain_name (~> 0.5)
     http-form_data (2.3.0)
+    ice_nine (0.11.2)
     llhttp-ffi (0.4.0)
       ffi-compiler (~> 1.0)
       rake (~> 13.0)