docs: add description withing README

Author: timoknapp

README.md

@@ -21,6 +21,10 @@ The changelog generator will order the types of commits in the changelog in the
 - Build
 - CI
 
+## Prettified changelogs
+
+In order to use prettified changelogs including a prefixed emoji, you need to provide the following config when calling semantic-relase: `--changelog-generator-opt "prettified_output=true"`. Or add the config within your `.semrelrc` file.
+
 [Example Change Log](./examples/GENERATED_CHANGELOG.md)
 
 ## Licence

examples/GENERATED_CHANGELOG copy.md

@@ -0,0 +1,33 @@
+## 2.0.0 (2020-11-11)
+
+#### Breaking Changes
+
+* commit message (12345678)
+```
+BREAKING CHANGE: test
+```
+* **user:** another commit message (12345679)
+```
+changed ID int into UUID
+```
+
+#### Feature
+
+* **app:** commit message (12345678)
+
+#### Bug Fixes
+
+* commit message (abcd)
+
+#### Build
+
+* commit message (43218765)
+
+#### CI
+
+* commit message (87654321)
+
+#### yolo
+
+* **swag:** commit message (12345678)
+

examples/GENERATED_CHANGELOG.md

@@ -1,3 +1,32 @@
+## 2.0.1 (2020-12-08)
+
+#### 📣 Breaking Changes
+
+* commit message (12345678)
+```
+BREAKING CHANGE: test
+```
+* **user:** another commit message (12345679)
+```
+changed ID int into UUID
+```
+
+#### 🎁 Feature
+
+* **app:** commit message (12345678)
+
+#### 🐞 Bug Fixes
+
+* commit message (abcd)
+
+#### 📦 Build
+
+* commit message (43218765)
+
+#### 🔁  CI
+
+* commit message (87654321)
+
 ## 2.0.0 (2020-11-11)
 
 #### Breaking Changes