chore: correct several typos

Correct some spelling mistakes and configure the `typos` tool for a few
false-positives.

crates/stef-compiler/src/generics.rs

@@ -34,7 +34,7 @@ pub struct UnusedGeneric {
     pub definition: Range<usize>,
 }
 
-/// Ensure all generics in a struct are unqiue and used.
+/// Ensure all generics in a struct are unique and used.
 pub fn validate_struct_generics(value: &Struct<'_>) -> Result<(), InvalidGenericType> {
     validate_duplicate_generics(&value.generics)?;
 
@@ -56,7 +56,7 @@ pub fn validate_struct_generics(value: &Struct<'_>) -> Result<(), InvalidGeneric
     })
 }
 
-/// Ensure all generics in an enum are unqiue and used.
+/// Ensure all generics in an enum are unique and used.
 pub fn validate_enum_generics(value: &Enum<'_>) -> Result<(), InvalidGenericType> {
     validate_duplicate_generics(&value.generics)?;
 

typos.toml

@@ -0,0 +1,12 @@
+[default.extend-identifiers]
+froms = "froms"
+relateds = "relateds"
+vALUE = "vALUE"
+
+[type.cargo-insta]
+extend-glob = ["*.snap", "*.snap.new"]
+check-file = false
+
+[type.changelog]
+extend-glob = ["CHANGELOG.md"]
+check-file = false