Add examples and bump version (#8)

This pull request updates the `default_avatar_generator` gem with a new
feature, documentation improvements, and a version bump. The main
changes include the addition of example images in the README, updates to
test results, and a version increment to reflect the new changes.

### Documentation Improvements:
*
[`README.md`](diffhunk://#diff-b335630551682c19a781afebcf4d07bf978fb1f8ac04c6bf87428ed5106870f5R8-R11):
Added an "Examples" section with a sample image showcasing avatars
generated by the library.

### Test Updates:
*
[`.rspec_status`](diffhunk://#diff-10fae3313daf1aa85d29b18688ebbd7f93b819e9d07072c7a42f716068d570b6L3-R23):
Updated test results to include new test cases for `colors_spec.rb` and
adjusted run times for existing tests.

### Version Update:
*
[`lib/default_avatar_generator/version.rb`](diffhunk://#diff-ba69e3a4eaee31efd2bfd1df41f23d9aeb08d143321d2b8e4b12cf067a4af74fL4-R4):
Updated the version from `0.1.2` to `0.2.0` to indicate the addition of
new features.

Author: pas256

.rspec_status

@@ -1,20 +1,23 @@
 example_id                                                     | status | run_time        |
 -------------------------------------------------------------- | ------ | --------------- |
-./spec/default_avatar_generator/composer_spec.rb[1:1:1]        | passed | 0.00036 seconds |
-./spec/default_avatar_generator/composer_spec.rb[1:1:2]        | passed | 0.00004 seconds |
-./spec/default_avatar_generator/generator_spec.rb[1:1:1]       | passed | 0.00047 seconds |
-./spec/default_avatar_generator/generator_spec.rb[1:1:2]       | passed | 0.00004 seconds |
-./spec/default_avatar_generator/generator_spec.rb[1:2:1]       | passed | 0.00204 seconds |
-./spec/default_avatar_generator/generator_spec.rb[1:2:2:1]     | passed | 0.00023 seconds |
-./spec/default_avatar_generator/generator_spec.rb[1:3:1]       | passed | 0.00057 seconds |
-./spec/default_avatar_generator/generator_spec.rb[1:4:1]       | passed | 0.00003 seconds |
-./spec/default_avatar_generator/generator_spec.rb[1:5:1]       | passed | 0.0001 seconds  |
-./spec/default_avatar_generator/generator_spec.rb[1:6:1]       | passed | 0.00008 seconds |
-./spec/default_avatar_generator/image_converter_spec.rb[1:1:1] | passed | 0.007 seconds   |
-./spec/default_avatar_generator/layer_spec.rb[1:1:1]           | passed | 0.00034 seconds |
-./spec/default_avatar_generator/layer_spec.rb[1:1:2]           | passed | 0.00011 seconds |
-./spec/default_avatar_generator/layer_spec.rb[1:1:3]           | passed | 0.0003 seconds  |
+./spec/default_avatar_generator/colors_spec.rb[1:1:1]          | passed | 0.00104 seconds |
+./spec/default_avatar_generator/colors_spec.rb[1:2:1]          | passed | 0.00006 seconds |
+./spec/default_avatar_generator/colors_spec.rb[1:3:1]          | passed | 0.00025 seconds |
+./spec/default_avatar_generator/composer_spec.rb[1:1:1]        | passed | 0.00005 seconds |
+./spec/default_avatar_generator/composer_spec.rb[1:1:2]        | passed | 0.00003 seconds |
+./spec/default_avatar_generator/generator_spec.rb[1:1:1]       | passed | 0.00058 seconds |
+./spec/default_avatar_generator/generator_spec.rb[1:1:2]       | passed | 0.00003 seconds |
+./spec/default_avatar_generator/generator_spec.rb[1:2:1]       | passed | 0.00426 seconds |
+./spec/default_avatar_generator/generator_spec.rb[1:2:2:1]     | passed | 0.00024 seconds |
+./spec/default_avatar_generator/generator_spec.rb[1:3:1]       | passed | 0.00003 seconds |
+./spec/default_avatar_generator/generator_spec.rb[1:4:1]       | passed | 0.00005 seconds |
+./spec/default_avatar_generator/generator_spec.rb[1:5:1]       | passed | 0.00011 seconds |
+./spec/default_avatar_generator/generator_spec.rb[1:6:1]       | passed | 0.00009 seconds |
+./spec/default_avatar_generator/image_converter_spec.rb[1:1:1] | passed | 0.01104 seconds |
+./spec/default_avatar_generator/layer_spec.rb[1:1:1]           | passed | 0.00061 seconds |
+./spec/default_avatar_generator/layer_spec.rb[1:1:2]           | passed | 0.0001 seconds  |
+./spec/default_avatar_generator/layer_spec.rb[1:1:3]           | passed | 0.00038 seconds |
 ./spec/default_avatar_generator/svg_utils_spec.rb[1:1:1]       | passed | 0.00003 seconds |
 ./spec/default_avatar_generator/svg_utils_spec.rb[1:1:2]       | passed | 0.00002 seconds |
 ./spec/default_avatar_generator/svg_utils_spec.rb[1:1:3]       | passed | 0.00002 seconds |
-./spec/default_avatar_generator_spec.rb[1:1]                   | passed | 0.00003 seconds |
+./spec/default_avatar_generator_spec.rb[1:1]                   | passed | 0.00002 seconds |

Gemfile.lock

@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    default-avatar-generator (0.1.2)
+    default-avatar-generator (0.2.0)
       nokogiri (~> 1.18)
       ruby-vips (~> 2.2)
 

README.md

@@ -5,6 +5,10 @@
 
 A Ruby gem that generates beautiful default avatars for user accounts when no custom avatar is provided.
 
+## Examples
+
+![Examples generated by this library](./default-avatar-generator.jpeg)
+
 ## Installation
 
 Add this line to your application's Gemfile:

default-avatar-generator.jpeg

@@ -1,5 +1,5 @@
 # frozen_string_literal: true
 
 module DefaultAvatarGenerator
-  VERSION = '0.1.2'
+  VERSION = '0.2.0'
 end