Fix Docker install snippet (image name must be lowercase) and typos

.github/release.py

@@ -69,7 +69,7 @@
 # Update version in README.md
 README_REPLACEMENTS = (
     ("rev: v{old}", "rev: v{new}"),
-    ("StyLua:{old}", "StyLua:{new}"),
+    ("stylua:{old}", "stylua:{new}"),
     ("stylua@{old}", "stylua@{new}"),
 )
 

README.md

@@ -84,7 +84,7 @@ StyLua is available on the [Docker Hub](https://hub.docker.com/r/johnnymorganz/s
 If you are using Docker, the easiest way to install StyLua is:
 
 ```dockerfile
-COPY --from=JohnnyMorganz/StyLua:2.6.0 /stylua /usr/bin/stylua
+COPY --from=johnnymorganz/stylua:2.6.0 /stylua /usr/bin/stylua
 ```
 
 ### Homebrew
@@ -198,7 +198,7 @@ Note that this may produce false positives and negatives - we recommend manual v
 ### Ignoring parts of a file
 
 To skip formatting a particular part of a file, you can add `-- stylua: ignore` before it.
-This is useful if there is a particular style you want to preseve for readability, e.g.:
+This is useful if there is a particular style you want to preserve for readability, e.g.:
 
 ```lua
 -- stylua: ignore

src/cli/main.rs

@@ -119,7 +119,7 @@ fn create_diff(
                         vec.push(b'\n');
                         vec
                     })
-                    // Covert to anyhow::Error
+                    // Convert to anyhow::Error
                     .map_err(|err| err.into())
                 })
                 .transpose()

src/formatters/functions.rs

@@ -322,7 +322,7 @@ fn function_args_multiline_heuristic(
             expression => {
                 current_state = current_state.record_standard_arg();
 
-                // TODO: BACKWARDS COMPATABILITY - THIS CODEPATH WAS ONLY FOLLOWED THROUGH WHEN
+                // TODO: BACKWARDS COMPATIBILITY - THIS CODEPATH WAS ONLY FOLLOWED THROUGH WHEN
                 // IT WASN'T PARENTHESES / UNOP, AND THE PATHS MERGED WHEN REMOVING EXPRESSION::VALUE
                 // WE SHOULD SEE IF THIS IS ACTUALLY NECESSARY
                 if !matches!(

src/shape.rs

@@ -189,7 +189,7 @@ impl Shape {
     }
 
     /// Whether simple heuristics should be used when calculating formatting shape
-    /// This is to reduce the expontential blowup of discarded test formatting
+    /// This is to reduce the exponential blowup of discarded test formatting
     #[must_use]
     pub fn using_simple_heuristics(&self) -> bool {
         self.simple_heuristics