test(cli): Show inverted extend-exclude behavior

Author: epage

crates/typos-cli/tests/cmd/extend-exclude-inverted.in/_typos.toml

@@ -0,0 +1,12 @@
+[files]
+extend-exclude = [
+    "*",
+    "!checked/",
+    "!checked/**",
+]
+ignore-hidden = true
+ignore-files = true
+ignore-dot = true
+ignore-vcs = true
+ignore-global = true
+ignore-parent = true

crates/typos-cli/tests/cmd/extend-exclude-inverted.in/checked/file.txt

@@ -0,0 +1,2 @@
+hte
+

crates/typos-cli/tests/cmd/extend-exclude-inverted.in/file.txt

@@ -0,0 +1,2 @@
+hte
+

crates/typos-cli/tests/cmd/extend-exclude-inverted.in/unchecked/file.txt

@@ -0,0 +1,2 @@
+hte
+

crates/typos-cli/tests/cmd/extend-exclude-inverted.toml

@@ -0,0 +1,4 @@
+bin.name = "typos"
+stdin = ""
+stdout = ""
+stderr = ""