refactor: Build on top of released mkdocs-simple-plugin v0.4.0 (#8)

Includes documentation updates, particularly for installation.
  Removes a now-duplicate parameter.
  Adds project metadata.
  Should be ready for release.

  Resolves #7.

Co-authored-by: Glen Whitney <glen@studioinfinity.org>
Reviewed-on: #8
Co-Authored-By: Glen Whitney <glen@nobody@nowhere.net>
Co-Committed-By: Glen Whitney <glen@nobody@nowhere.net>

mkdocs_semiliterate/__init__.py

@@ -0,0 +1 @@
+"""mkdocs_semiliterate package."""

mkdocs_semiliterate/plugin.py

@@ -152,7 +152,7 @@ terminate: '^\s*\)'
         #    `semiliterate` still incorporates all standard Markdown files
         #    because of the following `extract_standard_markdown` parameter.
         ('extract_standard_markdown',
-         config_options.Type(dict, default={})),
+         config_options.Type(dict, default={}))
         # If the `enable` key of this dict parameter is true
         #    (it defaults to the opposite of `copy_standard_markdown`),
         #    it adds a semiliterate block causing extraction (and hence
@@ -164,17 +164,9 @@ terminate: '^\s*\)'
         #    On the other hand, setting this parameter to `{enable: false}`
         #    (which is also the default when `copy_standard_markdown` is true)
         #    will prevent automatic extraction from standard Markdown files.
-        ('report_docs_build',
-         config_options.Type(bool, default=False))
-        # If true, the name of the temporary directory to which generated docs
-        #    files are copied/extracted will be written to standard output
-        #    (even if the `-v` verbose option to mkdocs is not specified).
     )
 
     def build_docs(self):
-        if self.config['report_docs_build']:
-            utils.log.info(
-                f"semiliterate: generating docs in {self.build_docs_dir}")
         self.exclude_extensions = self.config['exclude_extensions']
         dflt_enable = False
         if not self.config['copy_standard_markdown']: