Fixed README new line issue and tests for selected file changes

Author: ritwik-g

.github/workflows/generate_docs.py

@@ -184,7 +184,8 @@ def generate_markdown_docs() -> str:
 ```bash
 helm values-manager --help
 helm values-manager <command> --help
-```"""
+```
+"""
     )
 
     return "".join(docs)

.github/workflows/test.yml

@@ -3,8 +3,30 @@ name: Tests
 on:
   push:
     branches: [ main ]
+    paths:
+      - 'helm_values_manager/**'
+      - 'tests/**'
+      - 'scripts/**'
+      - 'plugin.yaml'
+      - 'setup.py'
+      - 'setup.cfg'
+      - 'pyproject.toml'
+      - 'tox.ini'
+      - 'requirements*.txt'
+      - '.github/workflows/test.yml'
   pull_request:
     branches: [ main ]
+    paths:
+      - 'helm_values_manager/**'
+      - 'tests/**'
+      - 'scripts/**'
+      - 'plugin.yaml'
+      - 'setup.py'
+      - 'setup.cfg'
+      - 'pyproject.toml'
+      - 'tox.ini'
+      - 'requirements*.txt'
+      - '.github/workflows/test.yml'
 
 jobs:
   test: