chore: add load_dotenv in example scripts

Author: cjumel

.env.example

@@ -0,0 +1 @@
+LINKUP_API_KEY=

examples/1_direct_search_results.py

@@ -3,10 +3,12 @@
 for instance in a RAG system, with the output_type parameter set to "searchResults".
 """
 
+from dotenv import load_dotenv
 from rich import print
 
 from linkup import LinkupClient
 
+load_dotenv()
 client = LinkupClient()
 
 response = client.search(

examples/2_sourced_answer_search.py

@@ -4,10 +4,12 @@
 along with the sources supporting it.
 """
 
+from dotenv import load_dotenv
 from rich import print
 
 from linkup import LinkupClient
 
+load_dotenv()
 client = LinkupClient()
 
 response = client.search(

examples/3_structured_search.py

@@ -4,6 +4,7 @@
 documented schema to steer the Linkup search in any direction.
 """
 
+from dotenv import load_dotenv
 from pydantic import BaseModel, Field
 from rich import print
 
@@ -19,6 +20,7 @@ class Events(BaseModel):
     events: list[Event] = Field(description="The list of events")
 
 
+load_dotenv()
 client = LinkupClient()
 
 response = client.search(

examples/4_asynchronous_search.py

@@ -7,10 +7,12 @@
 import asyncio
 import time
 
+from dotenv import load_dotenv
 from rich import print
 
 from linkup import LinkupClient
 
+load_dotenv()
 client = LinkupClient()
 
 queries: list[str] = [

pyproject.toml

@@ -34,6 +34,7 @@ dev = [
   "pytest-cov>=6.2.1",
   "pytest-mock>=3.14.1",
   "pytest>=8.4.1",
+  "python-dotenv>=1.1.1",
   "rich>=14.1.0",
 ]