fix: Ignore lock files by default

First, this centralizes the concept of lock files, focusing on intent,
rather than syntax.  We are assuming `requirements.txt` for Python is
being used like a regular lock file and not as a dependency
specification.

Second, we then ignore the content.  Though a lock file will generally
contain things that could show up in a dependency specification, the
large dependency trees make that harder to manage.  We still have the
dependency specification file which will match with the users code.

Fixes #445

src/config.rs

@@ -203,6 +203,15 @@ impl TypeEngineConfig {
                     ..Default::default()
                 },
             });
+        patterns
+            .entry("lock".into())
+            .or_insert_with(|| GlobEngineConfig {
+                extend_glob: Vec::new(),
+                engine: EngineConfig {
+                    check_file: Some(false),
+                    ..Default::default()
+                },
+            });
         patterns.into_iter()
     }
 }

src/default_types.rs

@@ -110,7 +110,7 @@ pub const DEFAULT_TYPES: &[(&str, &[&str])] = &[
     ("jinja", &["*.j2", "*.jinja", "*.jinja2"]),
     ("jl", &["*.jl"]),
     ("js", &["*.js", "*.jsx", "*.vue"]),
-    ("json", &["*.json", "composer.lock"]),
+    ("json", &["*.json"]),
     ("jsonl", &["*.jsonl"]),
     ("julia", &["*.jl"]),
     ("jupyter", &["*.ipynb", "*.jpynb"]),
@@ -146,7 +146,7 @@ pub const DEFAULT_TYPES: &[(&str, &[&str])] = &[
     ]),
     ("lilypond", &["*.ly", "*.ily"]),
     ("lisp", &["*.el", "*.jl", "*.lisp", "*.lsp", "*.sc", "*.scm"]),
-    ("lock", &["*.lock", "package-lock.json"]),
+    ("lock", &["*.lock", "package-lock.json", "requirements.txt"]),
     ("log", &["*.log"]),
     ("lua", &["*.lua"]),
     ("lz4", &["*.lz4"]),
@@ -262,7 +262,7 @@ pub const DEFAULT_TYPES: &[(&str, &[&str])] = &[
     ("textile", &["*.textile"]),
     ("tf", &["*.tf"]),
     ("thrift", &["*.thrift"]),
-    ("toml", &["*.toml", "Cargo.lock"]),
+    ("toml", &["*.toml"]),
     ("ts", &["*.ts", "*.tsx"]),
     ("twig", &["*.twig"]),
     ("txt", &["*.txt"]),