docs: format and wording tweak for color schemes

ci/generate-docs.py

@@ -47,12 +47,14 @@ class Gen(object):
             for page in children:
                 idx.write(f"  - [{page.title}]({page.title}.md)\n")
 
+
 def image_dimensions(filename):
     out = subprocess.check_output(["identify", filename])
     fields = out.split()
-    while fields[0] != b'PNG':
+    while fields[0] != b"PNG":
         fields = fields[1:]
-    return [int(x) for x in fields[1].split(b'x')]
+    return [int(x) for x in fields[1].split(b"x")]
+
 
 class GenColorScheme(object):
     def __init__(self, title, dirname, index=None):
@@ -78,16 +80,20 @@ class GenColorScheme(object):
                     img = os.path.basename(img)
                     title = os.path.basename(img).rsplit(".", 1)[0]
                     idx.write(f"# {title}\n")
-                    idx.write(f"<img width=\"{width}\" height=\"{height}\" src=\"{img}\" alt=\"{title}\">\n\n")
+                    idx.write(
+                        f'<img width="{width}" height="{height}" src="{img}" alt="{title}">\n\n'
+                    )
                     idx.write("To use this scheme, add this to your config:\n")
-                    idx.write(f"""
+                    idx.write(
+                        f"""
 ```lua
 return {{
   color_scheme = "{title}",
 }}
 ```
 
-""")
+"""
+                    )
 
         index_filename = f"{self.dirname}/index.md"
         index_page = Page(self.title, index_filename, children=children)
@@ -99,6 +105,7 @@ return {{
                 upper = page.title.upper()
                 idx.write(f"  - [{upper}]({page.title}/index.md)\n")
 
+
 TOC = [
     Page(
         "wezterm",

docs/config/appearance.markdown

@@ -10,7 +10,8 @@ return {
 }
 ```
 
-You can find a list of available color schemes in [The Color Schemes Section](../colorschemes/index.md).
+You can find a list of available color schemes and screenshots
+in [The Color Schemes Section](../colorschemes/index.md).
 
 The `color_scheme` option takes precedence over the `colors` section below.