add some descriptions about provider

openbb_sdk/providers/benzinga/openbb_benzinga/__init__.py

@@ -6,7 +6,9 @@ from openbb_benzinga.models.stock_news import BenzingaStockNewsFetcher
 
 benzinga_provider = Provider(
     name="benzinga",
-    description="Provider for Benzinga.",
+    website="https://www.benzinga.com/",
+    description="""Benzinga is a financial data provider that offers an API
+     focused on information that moves the market.""",
     required_credentials=["api_key"],
     fetcher_dict={
         "GlobalNews": BenzingaGlobalNewsFetcher,

openbb_sdk/providers/fmp/openbb_fmp/__init__.py

@@ -49,7 +49,9 @@ from openbb_fmp.models.treasury_rates import FMPTreasuryRatesFetcher
 
 fmp_provider = Provider(
     name="fmp",
-    description="Provider for FMP.",
+    website="https://financialmodelingprep.com/",
+    description="""Financial Modeling Prep is a new concept that informs you about
+     stock market information (news, currencies, and stock prices).""",
     required_credentials=["api_key"],
     fetcher_dict={
         "KeyExecutives": FMPKeyExecutivesFetcher,

openbb_sdk/providers/fred/openbb_fred/__init__.py

@@ -5,7 +5,10 @@ from openbb_fred.models.cpi import FREDCPIFetcher
 
 fred_provider = Provider(
     name="fred",
-    description="Provider for FRED.",
+    website="https://fred.stlouisfed.org/",
+    description="""Federal Reserve Economic Data is a database maintained by the
+     Research division of the Federal Reserve Bank of St. Louis that has more than
+     816,000 economic time series from various sources.""",
     required_credentials=["api_key"],
     fetcher_dict={"CPI": FREDCPIFetcher},
 )

openbb_sdk/providers/polygon/openbb_polygon/__init__.py

@@ -13,7 +13,10 @@ from openbb_polygon.models.stock_news import PolygonStockNewsFetcher
 
 polygon_provider = Provider(
     name="polygon",
-    description="Provider for Polygon.",
+    website="https://polygon.io/",
+    description="""The Polygon.io Stocks API provides REST endpoints that let you query
+     the latest market data from all US stock exchanges. You can also find data on
+     company financials, stock market holidays, corporate actions, and more.""",
     required_credentials=["api_key"],
     fetcher_dict={
         "StockEOD": PolygonStockEODFetcher,

openbb_sdk/sdk/provider/openbb_provider/abstract/provider.py

@@ -13,6 +13,7 @@ class Provider:
         self,
         name: str,
         description: str,
+        website: str,
         fetcher_dict: Dict[str, Type[Fetcher]],
         required_credentials: Optional[List[str]] = None,
     ) -> None:
@@ -24,6 +25,8 @@ class Provider:
             Name of the provider.
         description : str
             Description of the provider.
+        website : str
+            Website of the provider.
         fetcher_dict : Dict[str, Type[Fetcher]]
             Dictionary of fetchers.
         required_credentials : Optional[List[str]], optional
@@ -31,6 +34,7 @@ class Provider:
         """
         self.name = name
         self.description = description
+        self.website = website
         self.fetcher_dict = fetcher_dict
         if required_credentials is None:
             self.required_credentials: List = []