[META] Change liquid_earth_api and liquid_earth_sdk

Replaced references to `liquid_earth_api` with `liquid_earth_sdk` and updated required imports. Adjusted optional dependencies and requirements to reflect the switch to the new SDK package.

Author: Leguark

gempy_viewer/API/_plot_LiquidEarth.py

@@ -1,7 +1,7 @@
 from typing import Optional
 
 import gempy
-from gempy_viewer.optional_dependencies import require_liquid_earth_api
+from gempy_viewer.optional_dependencies import require_liquid_earth_sdk
 
 
 def plot_to_liquid_earth(
@@ -10,7 +10,7 @@ def plot_to_liquid_earth(
         make_new_space: bool = False
 ):
     # if user_token is None Try to grab it from the environment
-    liquid_earth_api = require_liquid_earth_api()  # ! Order matters
+    liquid_earth_api = require_liquid_earth_sdk()  # ! Order matters
 
     if user_token is None:
         import os

gempy_viewer/optional_dependencies.py

@@ -1,9 +1,9 @@
-def require_liquid_earth_api():
+def require_liquid_earth_sdk():
     try:
-        import liquid_earth_api
+        import liquid_earth_sdk
     except ImportError:
-        raise ImportError("The liquid_earth_api package is required to run this function.")
-    return liquid_earth_api
+        raise ImportError("The liquid_earth_sdk package is required to run this function.")
+    return liquid_earth_sdk
 
 def require_gempy_plugins():
     try:

requirements/optional_requirements.txt

@@ -6,3 +6,5 @@ scikit-image
 scipy 
 pooch
 pandas
+
+liquid-earth-sdk