update transformations list

Author: Jay Parekh

lib/imagekit/constants/supported_transformation.rb

@@ -11,11 +11,18 @@
   'format': "f",
   'radius': "r",
   'background': "bg",
-  'border': "bo",
+  'border': "b",
   'rotation': "rt",
   'blur': "bl",
   'named': "n",
   'overlay_image': "oi",
+  'overlay_image_trim': "oit",
+  'overlay_image_cropping': "oic",
+  'overlay_image_quality': "oiq",
+  'overlay_image_DPR': "oidpr",
+  'overlay_image_border': "oib",
+  'overlay_image_background': "oibg",
+  'overlay_image_aspect_ratio': "oiar",
   'overlay_x': "ox",
   'overlay_y': "oy",
   'overlay_focus': "ofo",
@@ -24,11 +31,17 @@
   'overlay_text': "ot",
   'overlay_text_font_size': "ots",
   'overlay_text_font_family': "otf",
+  'overlay_text_encoded': "ote",
   'overlay_text_color': "otc",
+  'overlay_text_width': "otw".
+  'overlay_text_background': "otbg",
+  'overlay_text_padding': "otp",
+  'overlay_text_inner_alignment': "otia",
+  'overlay_text_transparency': "oa",
   'overlay_alpha': "oa",
+  'overlay_radius': "or",
   'overlay_text_typography': "ott",
   'overlay_background': "obg",
-  'overlay_image_trim': "oit",
   'progressive': "pr",
   'lossless': "lo",
   'trim': "t",