fix: forgot the src folder for offloaded code

.gitignore

+# data downloads
+data/
 # Direnv
 .envrc
 .direnv/

src/__init__.py

+import requests
+from tqdm.auto import tqdm
+import zipfile
+import io
+import pyfesom2 as pf2
+import cartopy.crs as ccrs
+import numpy as np
+import geoviews as gv
+from holoviews.operation.datashader import datashade, shade, dynspread, spread, rasterize
+import datashader as ds
+import pandas as pd
+import panel as pn
+import colorcet
+import holoviews as hv
+
+def download_pangaea_zip(url, fname):
+    resp = requests.get(url, stream=True)
+    total = int(resp.headers.get('content-length', 0))
+    # Can also replace 'file' with a io.BytesIO object
+    zip_buffer = io.BytesIO()
+    with io.BytesIO() as zip_buffer, tqdm(
+        desc=fname,
+        total=total,
+        unit='iB',
+        unit_scale=True,
+        unit_divisor=1024,
+    ) as bar:
+        for data in resp.iter_content(chunk_size=1024):
+            size = zip_buffer.write(data)
+            bar.update(size)
+        zipfile.ZipFile(zip_buffer).extractall(fname)
+        
+        
+def plot_fesom_mesh_depth(mesh):
+    if mesh.topo.max() >= 0:
+        mesh.topo *= -1
+    topo_mean = mesh.topo.take(mesh.elem[mesh.no_cyclic_elem], axis=-1).mean(axis=1)
+    node_ids_and_area = np.concatenate([mesh.elem[mesh.no_cyclic_elem], np.expand_dims(topo_mean, axis=-1)], axis=1)
+
+    df = pd.DataFrame(node_ids_and_area)  #
+    df.index.name = "Element ID"
+    df.columns = ["Node 1", "Node 2", "Node 3", "Depth"]
+
+    nodes = gv.Points((mesh.x2, mesh.y2))
+
+    trimesh = gv.TriMesh((df, nodes)).redim(
+        x="Longitude (˚E)", y="Latitude (˚N)", z="Depth (m)"
+    )
+
+    projection = ccrs.PlateCarree()
+    projected_trimesh = gv.project(trimesh, projection=projection)
+
+    FESOM_depth = rasterize(projected_trimesh).opts(
+        cmap="ocean",
+        height=600,
+        width=900,
+        projection=projection,
+        colorbar=True,
+        colorbar_position="bottom",
+        tools=["hover"],
+        clabel="Average Element Depth (m)",
+        bgcolor="darkgray",
+        color_levels=20,
+        clim=(-5000, 0),
+        cformatter="%.0f",
+    )
+    return FESOM_depth