Fix two typos: "soley" → "solely" and "neccessary" → "necessary" (#352)

Co-authored-by: TejasAmle <tejas.amle71@gmail.com>

Author: TejasAmle

README.md

@@ -450,7 +450,7 @@ On Windows, remove the `-S` from the shebang and execute the script using the `p
 ## Package Dependency Tree
 
 `uv tree` is a command for listing installed packages in the form of a dependency tree. For large
-projects, it is often difficult to determine dependency relationships soley from manually
+projects, it is often difficult to determine dependency relationships solely from manually
 inspecting `uv.lock`.
 
 ```shell

pyproject.toml

@@ -58,7 +58,7 @@ docs = [
     "mkdocs-material",
     "mkdocs-htmlproofer-plugin",
 
-    # Python API documentation (not neccessary for applications).
+    # Python API documentation (not necessary for applications).
     "mkdocstrings[python]",
     # Autodoc.
     "mkdocs-api-autonav",