timezone in figure title respects time_format (#11)

Previously the timezone in the title always showed UTC.

Now it displays either Utc or Local depending on what
time_format is set to.

This is also replicated to the filename.

version bump from 0.2.0 to 0.2.1

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "ShadowFinder"
-version = "0.2.0"
+version = "0.2.1"
 description = "Find possible locations of shadows."
 authors = ["Bellingcat"]
 license = "MIT License"
@@ -39,4 +39,4 @@ black = "^24.2.0"
 
 [build-system]
 requires = ["poetry-core"]
-build-backend = "poetry.core.masonry.api"
+build-backend = "poetry.core.masonry.api"

shadowfinder/shadowfinder.py

@@ -49,7 +49,7 @@ def quick_find(self):
         self.find_shadows()
         fig = self.plot_shadows()
         fig.savefig(
-            f"shadow_finder_{self.date_time.strftime('%Y%m%d-%H%M%S-%Z')}_{self.object_height}_{self.shadow_length}.png"
+            f"shadow_finder_{self.date_time.strftime('%Y%m%d-%H%M%S')}-{self.time_format.title()}_{self.object_height}_{self.shadow_length}.png"
         )
 
     def generate_timezone_grid(self):
@@ -181,7 +181,7 @@ def plot_shadows(
 
         # plt.colorbar(label='Relative Shadow Length Difference')
         plt.title(
-            f"Possible Locations at {self.date_time.strftime('%Y-%m-%d %H:%M:%S %Z')}\n(object height: {self.object_height}, shadow length: {self.shadow_length})"
+            f"Possible Locations at {self.date_time.strftime('%Y-%m-%d %H:%M:%S')} {self.time_format.title()}\n(object height: {self.object_height}, shadow length: {self.shadow_length})"
         )
         self.fig = fig
         return fig